128640588440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1218649}}^1$

素因数の和:1218709

約数の個数: 128

約数和(自身を含む): 368519760000

約数和(自身を除く): 239879171560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 91, 104, 116, 130, 140, 145, 182, 203, 232, 260, 280, 290, 364, 377, 406, 455, 520, 580, 728, 754, 812, 910, 1015, 1160, 1508, 1624, 1820, 1885, 2030, 2639, 3016, 3640, 3770, 4060, 5278, 7540, 8120, 10556, 13195, 15080, 21112, 26390, 52780, 105560, 1218649, 2437298, 4874596, 6093245, 8530543, 9749192, 12186490, 15842437, 17061086, 24372980, 31684874, 34122172, 35340821, 42652715, 48745960, 63369748, 68244344, 70681642, 79212185, 85305430, 110897059, 126739496, 141363284, 158424370, 170610860, 176704105, 221794118, 247385747, 282726568, 316848740, 341221720, 353408210, 443588236, 459430673, 494771494, 554485295, 633697480, 706816420, 887176472, 918861346, 989542988, 1108970590, 1236928735, 1413632840, 1837722692, 1979085976, 2217941180, 2297153365, 2473857470, 3216014711, 3675445384, 4435882360, 4594306730, 4947714940, 6432029422, 9188613460, 9895429880, 12864058844, 16080073555, 18377226920, 25728117688, 32160147110, 64320294220, 128640588440]

約数ペア:

[(1, 128640588440), (2, 64320294220), (4, 32160147110), (5, 25728117688), (7, 18377226920), (8, 16080073555), (10, 12864058844), (13, 9895429880), (14, 9188613460), (20, 6432029422), (26, 4947714940), (28, 4594306730), (29, 4435882360), (35, 3675445384), (40, 3216014711), (52, 2473857470), (56, 2297153365), (58, 2217941180), (65, 1979085976), (70, 1837722692), (91, 1413632840), (104, 1236928735), (116, 1108970590), (130, 989542988), (140, 918861346), (145, 887176472), (182, 706816420), (203, 633697480), (232, 554485295), (260, 494771494), (280, 459430673), (290, 443588236), (364, 353408210), (377, 341221720), (406, 316848740), (455, 282726568), (520, 247385747), (580, 221794118), (728, 176704105), (754, 170610860), (812, 158424370), (910, 141363284), (1015, 126739496), (1160, 110897059), (1508, 85305430), (1624, 79212185), (1820, 70681642), (1885, 68244344), (2030, 63369748), (2639, 48745960), (3016, 42652715), (3640, 35340821), (3770, 34122172), (4060, 31684874), (5278, 24372980), (7540, 17061086), (8120, 15842437), (10556, 12186490), (13195, 9749192), (15080, 8530543), (21112, 6093245), (26390, 4874596), (52780, 2437298), (105560, 1218649)]