81696150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2646

約数の個数: 72

約数和(自身を含む): 222668784

約数和(自身を除く): 140972634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 1065, 1278, 1775, 2130, 2557, 3195, 3550, 5114, 5325, 6390, 7671, 10650, 12785, 15342, 15975, 23013, 25570, 31950, 38355, 46026, 63925, 76710, 115065, 127850, 181547, 191775, 230130, 363094, 383550, 544641, 575325, 907735, 1089282, 1150650, 1633923, 1815470, 2723205, 3267846, 4538675, 5446410, 8169615, 9077350, 13616025, 16339230, 27232050, 40848075, 81696150]

約数ペア:

[(1, 81696150), (2, 40848075), (3, 27232050), (5, 16339230), (6, 13616025), (9, 9077350), (10, 8169615), (15, 5446410), (18, 4538675), (25, 3267846), (30, 2723205), (45, 1815470), (50, 1633923), (71, 1150650), (75, 1089282), (90, 907735), (142, 575325), (150, 544641), (213, 383550), (225, 363094), (355, 230130), (426, 191775), (450, 181547), (639, 127850), (710, 115065), (1065, 76710), (1278, 63925), (1775, 46026), (2130, 38355), (2557, 31950), (3195, 25570), (3550, 23013), (5114, 15975), (5325, 15342), (6390, 12785), (7671, 10650)]