205128560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1483}}^1$

素因数の和:1535

約数の個数: 160

約数和(自身を含む): 618293760

約数和(自身を除く): 413165200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1483, 1520, 1729, 1820, 1976, 2128, 2470, 2660, 2966, 3458, 3640, 3952, 4940, 5320, 5932, 6916, 7280, 7415, 8645, 9880, 10381, 10640, 11864, 13832, 14830, 17290, 19279, 19760, 20762, 23728, 27664, 28177, 29660, 34580, 38558, 41524, 51905, 56354, 59320, 69160, 77116, 83048, 96395, 103810, 112708, 118640, 134953, 138320, 140885, 154232, 166096, 192790, 197239, 207620, 225416, 269906, 281770, 308464, 366301, 385580, 394478, 415240, 450832, 539812, 563540, 674765, 732602, 771160, 788956, 830480, 986195, 1079624, 1127080, 1349530, 1465204, 1542320, 1577912, 1831505, 1972390, 2159248, 2254160, 2564107, 2699060, 2930408, 3155824, 3663010, 3944780, 5128214, 5398120, 5860816, 7326020, 7889560, 10256428, 10796240, 12820535, 14652040, 15779120, 20512856, 25641070, 29304080, 41025712, 51282140, 102564280, 205128560]

約数ペア:

[(1, 205128560), (2, 102564280), (4, 51282140), (5, 41025712), (7, 29304080), (8, 25641070), (10, 20512856), (13, 15779120), (14, 14652040), (16, 12820535), (19, 10796240), (20, 10256428), (26, 7889560), (28, 7326020), (35, 5860816), (38, 5398120), (40, 5128214), (52, 3944780), (56, 3663010), (65, 3155824), (70, 2930408), (76, 2699060), (80, 2564107), (91, 2254160), (95, 2159248), (104, 1972390), (112, 1831505), (130, 1577912), (133, 1542320), (140, 1465204), (152, 1349530), (182, 1127080), (190, 1079624), (208, 986195), (247, 830480), (260, 788956), (266, 771160), (280, 732602), (304, 674765), (364, 563540), (380, 539812), (455, 450832), (494, 415240), (520, 394478), (532, 385580), (560, 366301), (665, 308464), (728, 281770), (760, 269906), (910, 225416), (988, 207620), (1040, 197239), (1064, 192790), (1235, 166096), (1330, 154232), (1456, 140885), (1483, 138320), (1520, 134953), (1729, 118640), (1820, 112708), (1976, 103810), (2128, 96395), (2470, 83048), (2660, 77116), (2966, 69160), (3458, 59320), (3640, 56354), (3952, 51905), (4940, 41524), (5320, 38558), (5932, 34580), (6916, 29660), (7280, 28177), (7415, 27664), (8645, 23728), (9880, 20762), (10381, 19760), (10640, 19279), (11864, 17290), (13832, 14830)]