84997640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 162970360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1229, 1235, 1330, 1729, 1820, 1976, 2458, 2470, 2660, 3458, 3640, 4916, 4940, 5320, 6145, 6916, 8603, 8645, 9832, 9880, 12290, 13832, 15977, 17206, 17290, 23351, 24580, 31954, 34412, 34580, 43015, 46702, 49160, 63908, 68824, 69160, 79885, 86030, 93404, 111839, 116755, 127816, 159770, 163457, 172060, 186808, 223678, 233510, 303563, 319540, 326914, 344120, 447356, 467020, 559195, 607126, 639080, 653828, 817285, 894712, 934040, 1118390, 1214252, 1307656, 1517815, 1634570, 2124941, 2236780, 2428504, 3035630, 3269140, 4249882, 4473560, 6071260, 6538280, 8499764, 10624705, 12142520, 16999528, 21249410, 42498820, 84997640]

約数ペア:

[(1, 84997640), (2, 42498820), (4, 21249410), (5, 16999528), (7, 12142520), (8, 10624705), (10, 8499764), (13, 6538280), (14, 6071260), (19, 4473560), (20, 4249882), (26, 3269140), (28, 3035630), (35, 2428504), (38, 2236780), (40, 2124941), (52, 1634570), (56, 1517815), (65, 1307656), (70, 1214252), (76, 1118390), (91, 934040), (95, 894712), (104, 817285), (130, 653828), (133, 639080), (140, 607126), (152, 559195), (182, 467020), (190, 447356), (247, 344120), (260, 326914), (266, 319540), (280, 303563), (364, 233510), (380, 223678), (455, 186808), (494, 172060), (520, 163457), (532, 159770), (665, 127816), (728, 116755), (760, 111839), (910, 93404), (988, 86030), (1064, 79885), (1229, 69160), (1235, 68824), (1330, 63908), (1729, 49160), (1820, 46702), (1976, 43015), (2458, 34580), (2470, 34412), (2660, 31954), (3458, 24580), (3640, 23351), (4916, 17290), (4940, 17206), (5320, 15977), (6145, 13832), (6916, 12290), (8603, 9880), (8645, 9832)]