89995590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 258163200

約数和(自身を除く): 168167610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 53, 54, 57, 90, 95, 106, 114, 135, 159, 171, 190, 265, 270, 285, 318, 331, 342, 477, 513, 530, 570, 662, 795, 855, 954, 993, 1007, 1026, 1431, 1590, 1655, 1710, 1986, 2014, 2385, 2565, 2862, 2979, 3021, 3310, 4770, 4965, 5035, 5130, 5958, 6042, 6289, 7155, 8937, 9063, 9930, 10070, 12578, 14310, 14895, 15105, 17543, 17874, 18126, 18867, 27189, 29790, 30210, 31445, 35086, 37734, 44685, 45315, 52629, 54378, 56601, 62890, 87715, 89370, 90630, 94335, 105258, 113202, 135945, 157887, 169803, 175430, 188670, 263145, 271890, 283005, 315774, 333317, 339606, 473661, 526290, 566010, 666634, 789435, 849015, 947322, 999951, 1578870, 1666585, 1698030, 1999902, 2368305, 2999853, 3333170, 4736610, 4999755, 5999706, 8999559, 9999510, 14999265, 17999118, 29998530, 44997795, 89995590]

約数ペア:

[(1, 89995590), (2, 44997795), (3, 29998530), (5, 17999118), (6, 14999265), (9, 9999510), (10, 8999559), (15, 5999706), (18, 4999755), (19, 4736610), (27, 3333170), (30, 2999853), (38, 2368305), (45, 1999902), (53, 1698030), (54, 1666585), (57, 1578870), (90, 999951), (95, 947322), (106, 849015), (114, 789435), (135, 666634), (159, 566010), (171, 526290), (190, 473661), (265, 339606), (270, 333317), (285, 315774), (318, 283005), (331, 271890), (342, 263145), (477, 188670), (513, 175430), (530, 169803), (570, 157887), (662, 135945), (795, 113202), (855, 105258), (954, 94335), (993, 90630), (1007, 89370), (1026, 87715), (1431, 62890), (1590, 56601), (1655, 54378), (1710, 52629), (1986, 45315), (2014, 44685), (2385, 37734), (2565, 35086), (2862, 31445), (2979, 30210), (3021, 29790), (3310, 27189), (4770, 18867), (4965, 18126), (5035, 17874), (5130, 17543), (5958, 15105), (6042, 14895), (6289, 14310), (7155, 12578), (8937, 10070), (9063, 9930)]