338878680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 256

約数和(自身を含む): 1296000000

約数和(自身を除く): 957121320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 255, 266, 280, 285, 323, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 570, 595, 646, 665, 680, 714, 760, 798, 840, 952, 969, 1020, 1064, 1140, 1190, 1249, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2040, 2261, 2280, 2380, 2498, 2584, 2660, 2856, 3192, 3230, 3570, 3747, 3876, 3990, 4522, 4760, 4845, 4996, 5320, 6245, 6460, 6783, 7140, 7494, 7752, 7980, 8743, 9044, 9690, 9992, 11305, 12490, 12920, 13566, 14280, 14988, 15960, 17486, 18088, 18735, 19380, 21233, 22610, 23731, 24980, 26229, 27132, 29976, 33915, 34972, 37470, 38760, 42466, 43715, 45220, 47462, 49960, 52458, 54264, 63699, 67830, 69944, 71193, 74940, 84932, 87430, 90440, 94924, 104916, 106165, 118655, 127398, 131145, 135660, 142386, 148631, 149880, 166117, 169864, 174860, 189848, 209832, 212330, 237310, 254796, 262290, 271320, 284772, 297262, 318495, 332234, 349720, 355965, 403427, 424660, 445893, 474620, 498351, 509592, 524580, 569544, 594524, 636990, 664468, 711930, 743155, 806854, 830585, 849320, 891786, 949240, 996702, 1049160, 1189048, 1210281, 1273980, 1328936, 1423860, 1486310, 1613708, 1661170, 1783572, 1993404, 2017135, 2229465, 2420562, 2491755, 2547960, 2823989, 2847720, 2972620, 3227416, 3322340, 3567144, 3986808, 4034270, 4458930, 4841124, 4983510, 5647978, 5945240, 6051405, 6644680, 8068540, 8471967, 8917860, 9682248, 9967020, 11295956, 12102810, 14119945, 16137080, 16943934, 17835720, 19934040, 22591912, 24205620, 28239890, 33887868, 42359835, 48411240, 56479780, 67775736, 84719670, 112959560, 169439340, 338878680]

約数ペア:

[(1, 338878680), (2, 169439340), (3, 112959560), (4, 84719670), (5, 67775736), (6, 56479780), (7, 48411240), (8, 42359835), (10, 33887868), (12, 28239890), (14, 24205620), (15, 22591912), (17, 19934040), (19, 17835720), (20, 16943934), (21, 16137080), (24, 14119945), (28, 12102810), (30, 11295956), (34, 9967020), (35, 9682248), (38, 8917860), (40, 8471967), (42, 8068540), (51, 6644680), (56, 6051405), (57, 5945240), (60, 5647978), (68, 4983510), (70, 4841124), (76, 4458930), (84, 4034270), (85, 3986808), (95, 3567144), (102, 3322340), (105, 3227416), (114, 2972620), (119, 2847720), (120, 2823989), (133, 2547960), (136, 2491755), (140, 2420562), (152, 2229465), (168, 2017135), (170, 1993404), (190, 1783572), (204, 1661170), (210, 1613708), (228, 1486310), (238, 1423860), (255, 1328936), (266, 1273980), (280, 1210281), (285, 1189048), (323, 1049160), (340, 996702), (357, 949240), (380, 891786), (399, 849320), (408, 830585), (420, 806854), (456, 743155), (476, 711930), (510, 664468), (532, 636990), (570, 594524), (595, 569544), (646, 524580), (665, 509592), (680, 498351), (714, 474620), (760, 445893), (798, 424660), (840, 403427), (952, 355965), (969, 349720), (1020, 332234), (1064, 318495), (1140, 297262), (1190, 284772), (1249, 271320), (1292, 262290), (1330, 254796), (1428, 237310), (1596, 212330), (1615, 209832), (1785, 189848), (1938, 174860), (1995, 169864), (2040, 166117), (2261, 149880), (2280, 148631), (2380, 142386), (2498, 135660), (2584, 131145), (2660, 127398), (2856, 118655), (3192, 106165), (3230, 104916), (3570, 94924), (3747, 90440), (3876, 87430), (3990, 84932), (4522, 74940), (4760, 71193), (4845, 69944), (4996, 67830), (5320, 63699), (6245, 54264), (6460, 52458), (6783, 49960), (7140, 47462), (7494, 45220), (7752, 43715), (7980, 42466), (8743, 38760), (9044, 37470), (9690, 34972), (9992, 33915), (11305, 29976), (12490, 27132), (12920, 26229), (13566, 24980), (14280, 23731), (14988, 22610), (15960, 21233), (17486, 19380), (18088, 18735)]