12811950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 72

約数和(自身を含む): 34993296

約数和(自身を除く): 22181346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 401, 426, 450, 639, 710, 802, 1065, 1203, 1278, 1775, 2005, 2130, 2406, 3195, 3550, 3609, 4010, 5325, 6015, 6390, 7218, 10025, 10650, 12030, 15975, 18045, 20050, 28471, 30075, 31950, 36090, 56942, 60150, 85413, 90225, 142355, 170826, 180450, 256239, 284710, 427065, 512478, 711775, 854130, 1281195, 1423550, 2135325, 2562390, 4270650, 6405975, 12811950]

約数ペア:

[(1, 12811950), (2, 6405975), (3, 4270650), (5, 2562390), (6, 2135325), (9, 1423550), (10, 1281195), (15, 854130), (18, 711775), (25, 512478), (30, 427065), (45, 284710), (50, 256239), (71, 180450), (75, 170826), (90, 142355), (142, 90225), (150, 85413), (213, 60150), (225, 56942), (355, 36090), (401, 31950), (426, 30075), (450, 28471), (639, 20050), (710, 18045), (802, 15975), (1065, 12030), (1203, 10650), (1278, 10025), (1775, 7218), (2005, 6390), (2130, 6015), (2406, 5325), (3195, 4010), (3550, 3609)]