28419660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 91110096

約数和(自身を除く): 62690436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 331, 405, 477, 530, 540, 636, 662, 795, 810, 954, 993, 1060, 1324, 1431, 1590, 1620, 1655, 1908, 1986, 2385, 2862, 2979, 3180, 3310, 3972, 4293, 4770, 4965, 5724, 5958, 6620, 7155, 8586, 8937, 9540, 9930, 11916, 14310, 14895, 17172, 17543, 17874, 19860, 21465, 26811, 28620, 29790, 35086, 35748, 42930, 44685, 52629, 53622, 59580, 70172, 85860, 87715, 89370, 105258, 107244, 134055, 157887, 175430, 178740, 210516, 263145, 268110, 315774, 350860, 473661, 526290, 536220, 631548, 789435, 947322, 1052580, 1420983, 1578870, 1894644, 2368305, 2841966, 3157740, 4736610, 5683932, 7104915, 9473220, 14209830, 28419660]

約数ペア:

[(1, 28419660), (2, 14209830), (3, 9473220), (4, 7104915), (5, 5683932), (6, 4736610), (9, 3157740), (10, 2841966), (12, 2368305), (15, 1894644), (18, 1578870), (20, 1420983), (27, 1052580), (30, 947322), (36, 789435), (45, 631548), (53, 536220), (54, 526290), (60, 473661), (81, 350860), (90, 315774), (106, 268110), (108, 263145), (135, 210516), (159, 178740), (162, 175430), (180, 157887), (212, 134055), (265, 107244), (270, 105258), (318, 89370), (324, 87715), (331, 85860), (405, 70172), (477, 59580), (530, 53622), (540, 52629), (636, 44685), (662, 42930), (795, 35748), (810, 35086), (954, 29790), (993, 28620), (1060, 26811), (1324, 21465), (1431, 19860), (1590, 17874), (1620, 17543), (1655, 17172), (1908, 14895), (1986, 14310), (2385, 11916), (2862, 9930), (2979, 9540), (3180, 8937), (3310, 8586), (3972, 7155), (4293, 6620), (4770, 5958), (4965, 5724)]