638022240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 288

約数和(自身を含む): 2345747040

約数和(自身を除く): 1707724800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 67, 68, 72, 80, 85, 90, 96, 102, 120, 134, 136, 144, 153, 160, 170, 180, 201, 204, 240, 255, 268, 272, 288, 306, 335, 340, 360, 389, 402, 408, 480, 510, 536, 544, 603, 612, 670, 680, 720, 765, 778, 804, 816, 1005, 1020, 1072, 1139, 1167, 1206, 1224, 1340, 1360, 1440, 1530, 1556, 1608, 1632, 1945, 2010, 2040, 2144, 2278, 2334, 2412, 2448, 2680, 2720, 3015, 3060, 3112, 3216, 3417, 3501, 3890, 4020, 4080, 4556, 4668, 4824, 4896, 5360, 5695, 5835, 6030, 6120, 6224, 6432, 6613, 6834, 7002, 7780, 8040, 8160, 9112, 9336, 9648, 10251, 10720, 11390, 11670, 12060, 12240, 12448, 13226, 13668, 14004, 15560, 16080, 17085, 17505, 18224, 18672, 19296, 19839, 20502, 22780, 23340, 24120, 24480, 26063, 26452, 27336, 28008, 31120, 32160, 33065, 34170, 35010, 36448, 37344, 39678, 41004, 45560, 46680, 48240, 51255, 52126, 52904, 54672, 56016, 59517, 62240, 66130, 68340, 70020, 78189, 79356, 82008, 91120, 93360, 96480, 99195, 102510, 104252, 105808, 109344, 112032, 119034, 130315, 132260, 136680, 140040, 156378, 158712, 164016, 182240, 186720, 198390, 205020, 208504, 211616, 234567, 238068, 260630, 264520, 273360, 280080, 297585, 312756, 317424, 328032, 390945, 396780, 410040, 417008, 443071, 469134, 476136, 521260, 529040, 546720, 560160, 595170, 625512, 634848, 781890, 793560, 820080, 834016, 886142, 938268, 952272, 1042520, 1058080, 1172835, 1190340, 1251024, 1329213, 1563780, 1587120, 1640160, 1772284, 1876536, 1904544, 2085040, 2215355, 2345670, 2380680, 2502048, 2658426, 3127560, 3174240, 3544568, 3753072, 3987639, 4170080, 4430710, 4691340, 4761360, 5316852, 6255120, 6646065, 7089136, 7506144, 7975278, 8861420, 9382680, 9522720, 10633704, 12510240, 13292130, 14178272, 15950556, 17722840, 18765360, 19938195, 21267408, 26584260, 31901112, 35445680, 37530720, 39876390, 42534816, 53168520, 63802224, 70891360, 79752780, 106337040, 127604448, 159505560, 212674080, 319011120, 638022240]

約数ペア:

[(1, 638022240), (2, 319011120), (3, 212674080), (4, 159505560), (5, 127604448), (6, 106337040), (8, 79752780), (9, 70891360), (10, 63802224), (12, 53168520), (15, 42534816), (16, 39876390), (17, 37530720), (18, 35445680), (20, 31901112), (24, 26584260), (30, 21267408), (32, 19938195), (34, 18765360), (36, 17722840), (40, 15950556), (45, 14178272), (48, 13292130), (51, 12510240), (60, 10633704), (67, 9522720), (68, 9382680), (72, 8861420), (80, 7975278), (85, 7506144), (90, 7089136), (96, 6646065), (102, 6255120), (120, 5316852), (134, 4761360), (136, 4691340), (144, 4430710), (153, 4170080), (160, 3987639), (170, 3753072), (180, 3544568), (201, 3174240), (204, 3127560), (240, 2658426), (255, 2502048), (268, 2380680), (272, 2345670), (288, 2215355), (306, 2085040), (335, 1904544), (340, 1876536), (360, 1772284), (389, 1640160), (402, 1587120), (408, 1563780), (480, 1329213), (510, 1251024), (536, 1190340), (544, 1172835), (603, 1058080), (612, 1042520), (670, 952272), (680, 938268), (720, 886142), (765, 834016), (778, 820080), (804, 793560), (816, 781890), (1005, 634848), (1020, 625512), (1072, 595170), (1139, 560160), (1167, 546720), (1206, 529040), (1224, 521260), (1340, 476136), (1360, 469134), (1440, 443071), (1530, 417008), (1556, 410040), (1608, 396780), (1632, 390945), (1945, 328032), (2010, 317424), (2040, 312756), (2144, 297585), (2278, 280080), (2334, 273360), (2412, 264520), (2448, 260630), (2680, 238068), (2720, 234567), (3015, 211616), (3060, 208504), (3112, 205020), (3216, 198390), (3417, 186720), (3501, 182240), (3890, 164016), (4020, 158712), (4080, 156378), (4556, 140040), (4668, 136680), (4824, 132260), (4896, 130315), (5360, 119034), (5695, 112032), (5835, 109344), (6030, 105808), (6120, 104252), (6224, 102510), (6432, 99195), (6613, 96480), (6834, 93360), (7002, 91120), (7780, 82008), (8040, 79356), (8160, 78189), (9112, 70020), (9336, 68340), (9648, 66130), (10251, 62240), (10720, 59517), (11390, 56016), (11670, 54672), (12060, 52904), (12240, 52126), (12448, 51255), (13226, 48240), (13668, 46680), (14004, 45560), (15560, 41004), (16080, 39678), (17085, 37344), (17505, 36448), (18224, 35010), (18672, 34170), (19296, 33065), (19839, 32160), (20502, 31120), (22780, 28008), (23340, 27336), (24120, 26452), (24480, 26063)]