638862840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1267

約数の個数: 384

約数和(自身を含む): 2727129600

約数和(自身を除く): 2088266760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 24, 28, 30, 33, 35, 36, 38, 40, 42, 44, 45, 55, 56, 57, 60, 63, 66, 70, 72, 76, 77, 84, 88, 90, 95, 99, 105, 110, 114, 120, 126, 132, 133, 140, 152, 154, 165, 168, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 264, 266, 280, 285, 308, 315, 330, 342, 360, 380, 385, 396, 399, 418, 420, 440, 456, 462, 495, 504, 532, 570, 616, 627, 630, 660, 665, 684, 693, 760, 770, 792, 798, 836, 840, 855, 924, 990, 1045, 1064, 1140, 1155, 1197, 1213, 1254, 1260, 1320, 1330, 1368, 1386, 1463, 1540, 1596, 1672, 1710, 1848, 1881, 1980, 1995, 2090, 2280, 2310, 2394, 2426, 2508, 2520, 2660, 2772, 2926, 3080, 3135, 3192, 3420, 3465, 3639, 3762, 3960, 3990, 4180, 4389, 4620, 4788, 4852, 5016, 5320, 5544, 5852, 5985, 6065, 6270, 6840, 6930, 7278, 7315, 7524, 7980, 8360, 8491, 8778, 9240, 9405, 9576, 9704, 10917, 11704, 11970, 12130, 12540, 13167, 13343, 13860, 14556, 14630, 15048, 15960, 16982, 17556, 18195, 18810, 21834, 21945, 23047, 23940, 24260, 25080, 25473, 26334, 26686, 27720, 29112, 29260, 33964, 35112, 36390, 37620, 40029, 42455, 43668, 43890, 46094, 47880, 48520, 50946, 52668, 53372, 54585, 58520, 65835, 66715, 67928, 69141, 72780, 75240, 76419, 80058, 84910, 87336, 87780, 92188, 93401, 101892, 105336, 106744, 109170, 115235, 120087, 127365, 131670, 133430, 138282, 145560, 152838, 160116, 161329, 169820, 175560, 184376, 186802, 200145, 203784, 207423, 218340, 230470, 240174, 253517, 254730, 263340, 266860, 276564, 280203, 305676, 320232, 322658, 339640, 345705, 373604, 382095, 400290, 414846, 436680, 460940, 467005, 480348, 483987, 507034, 509460, 526680, 533720, 553128, 560406, 600435, 611352, 645316, 691410, 747208, 760551, 764190, 800580, 806645, 829692, 840609, 921880, 934010, 960696, 967974, 1014068, 1018920, 1037115, 1120812, 1200870, 1267585, 1290632, 1382820, 1401015, 1451961, 1521102, 1528380, 1601160, 1613290, 1659384, 1681218, 1774619, 1868020, 1935948, 2028136, 2074230, 2241624, 2281653, 2401740, 2419935, 2535170, 2765640, 2802030, 2903922, 3042204, 3056760, 3226580, 3362436, 3549238, 3736040, 3802755, 3871896, 4148460, 4203045, 4563306, 4803480, 4839870, 5070340, 5323857, 5604060, 5807844, 6084408, 6453160, 6724872, 7098476, 7259805, 7605510, 8296920, 8406090, 8873095, 9126612, 9679740, 10140680, 10647714, 11208120, 11408265, 11615688, 14196952, 14519610, 15211020, 15971571, 16812180, 17746190, 18253224, 19359480, 21295428, 22816530, 26619285, 29039220, 30422040, 31943142, 33624360, 35492380, 42590856, 45633060, 53238570, 58078440, 63886284, 70984760, 79857855, 91266120, 106477140, 127772568, 159715710, 212954280, 319431420, 638862840]

約数ペア:

[(1, 638862840), (2, 319431420), (3, 212954280), (4, 159715710), (5, 127772568), (6, 106477140), (7, 91266120), (8, 79857855), (9, 70984760), (10, 63886284), (11, 58078440), (12, 53238570), (14, 45633060), (15, 42590856), (18, 35492380), (19, 33624360), (20, 31943142), (21, 30422040), (22, 29039220), (24, 26619285), (28, 22816530), (30, 21295428), (33, 19359480), (35, 18253224), (36, 17746190), (38, 16812180), (40, 15971571), (42, 15211020), (44, 14519610), (45, 14196952), (55, 11615688), (56, 11408265), (57, 11208120), (60, 10647714), (63, 10140680), (66, 9679740), (70, 9126612), (72, 8873095), (76, 8406090), (77, 8296920), (84, 7605510), (88, 7259805), (90, 7098476), (95, 6724872), (99, 6453160), (105, 6084408), (110, 5807844), (114, 5604060), (120, 5323857), (126, 5070340), (132, 4839870), (133, 4803480), (140, 4563306), (152, 4203045), (154, 4148460), (165, 3871896), (168, 3802755), (171, 3736040), (180, 3549238), (190, 3362436), (198, 3226580), (209, 3056760), (210, 3042204), (220, 2903922), (228, 2802030), (231, 2765640), (252, 2535170), (264, 2419935), (266, 2401740), (280, 2281653), (285, 2241624), (308, 2074230), (315, 2028136), (330, 1935948), (342, 1868020), (360, 1774619), (380, 1681218), (385, 1659384), (396, 1613290), (399, 1601160), (418, 1528380), (420, 1521102), (440, 1451961), (456, 1401015), (462, 1382820), (495, 1290632), (504, 1267585), (532, 1200870), (570, 1120812), (616, 1037115), (627, 1018920), (630, 1014068), (660, 967974), (665, 960696), (684, 934010), (693, 921880), (760, 840609), (770, 829692), (792, 806645), (798, 800580), (836, 764190), (840, 760551), (855, 747208), (924, 691410), (990, 645316), (1045, 611352), (1064, 600435), (1140, 560406), (1155, 553128), (1197, 533720), (1213, 526680), (1254, 509460), (1260, 507034), (1320, 483987), (1330, 480348), (1368, 467005), (1386, 460940), (1463, 436680), (1540, 414846), (1596, 400290), (1672, 382095), (1710, 373604), (1848, 345705), (1881, 339640), (1980, 322658), (1995, 320232), (2090, 305676), (2280, 280203), (2310, 276564), (2394, 266860), (2426, 263340), (2508, 254730), (2520, 253517), (2660, 240174), (2772, 230470), (2926, 218340), (3080, 207423), (3135, 203784), (3192, 200145), (3420, 186802), (3465, 184376), (3639, 175560), (3762, 169820), (3960, 161329), (3990, 160116), (4180, 152838), (4389, 145560), (4620, 138282), (4788, 133430), (4852, 131670), (5016, 127365), (5320, 120087), (5544, 115235), (5852, 109170), (5985, 106744), (6065, 105336), (6270, 101892), (6840, 93401), (6930, 92188), (7278, 87780), (7315, 87336), (7524, 84910), (7980, 80058), (8360, 76419), (8491, 75240), (8778, 72780), (9240, 69141), (9405, 67928), (9576, 66715), (9704, 65835), (10917, 58520), (11704, 54585), (11970, 53372), (12130, 52668), (12540, 50946), (13167, 48520), (13343, 47880), (13860, 46094), (14556, 43890), (14630, 43668), (15048, 42455), (15960, 40029), (16982, 37620), (17556, 36390), (18195, 35112), (18810, 33964), (21834, 29260), (21945, 29112), (23047, 27720), (23940, 26686), (24260, 26334), (25080, 25473)]