28725060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5261}}^1$

素因数の和:5293

約数の個数: 96

約数和(自身を含む): 99009792

約数和(自身を除く): 70284732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5261, 5460, 10522, 15783, 21044, 26305, 31566, 36827, 52610, 63132, 68393, 73654, 78915, 105220, 110481, 136786, 147308, 157830, 184135, 205179, 220962, 273572, 315660, 341965, 368270, 410358, 441924, 478751, 552405, 683930, 736540, 820716, 957502, 1025895, 1104810, 1367860, 1436253, 1915004, 2051790, 2209620, 2393755, 2872506, 4103580, 4787510, 5745012, 7181265, 9575020, 14362530, 28725060]

約数ペア:

[(1, 28725060), (2, 14362530), (3, 9575020), (4, 7181265), (5, 5745012), (6, 4787510), (7, 4103580), (10, 2872506), (12, 2393755), (13, 2209620), (14, 2051790), (15, 1915004), (20, 1436253), (21, 1367860), (26, 1104810), (28, 1025895), (30, 957502), (35, 820716), (39, 736540), (42, 683930), (52, 552405), (60, 478751), (65, 441924), (70, 410358), (78, 368270), (84, 341965), (91, 315660), (105, 273572), (130, 220962), (140, 205179), (156, 184135), (182, 157830), (195, 147308), (210, 136786), (260, 110481), (273, 105220), (364, 78915), (390, 73654), (420, 68393), (455, 63132), (546, 52610), (780, 36827), (910, 31566), (1092, 26305), (1365, 21044), (1820, 15783), (2730, 10522), (5261, 5460)]