66895440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1548

約数の個数: 80

約数和(自身を含む): 208516416

約数和(自身を除く): 141620976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1321, 1688, 2110, 2532, 2642, 3165, 3376, 3963, 4220, 5064, 5284, 6330, 6605, 7926, 8440, 10128, 10568, 12660, 13210, 15852, 16880, 19815, 21136, 25320, 26420, 31704, 39630, 50640, 52840, 63408, 79260, 105680, 158520, 278731, 317040, 557462, 836193, 1114924, 1393655, 1672386, 2229848, 2787310, 3344772, 4180965, 4459696, 5574620, 6689544, 8361930, 11149240, 13379088, 16723860, 22298480, 33447720, 66895440]

約数ペア:

[(1, 66895440), (2, 33447720), (3, 22298480), (4, 16723860), (5, 13379088), (6, 11149240), (8, 8361930), (10, 6689544), (12, 5574620), (15, 4459696), (16, 4180965), (20, 3344772), (24, 2787310), (30, 2229848), (40, 1672386), (48, 1393655), (60, 1114924), (80, 836193), (120, 557462), (211, 317040), (240, 278731), (422, 158520), (633, 105680), (844, 79260), (1055, 63408), (1266, 52840), (1321, 50640), (1688, 39630), (2110, 31704), (2532, 26420), (2642, 25320), (3165, 21136), (3376, 19815), (3963, 16880), (4220, 15852), (5064, 13210), (5284, 12660), (6330, 10568), (6605, 10128), (7926, 8440)]