156697020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1321}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 476395920

約数和(自身を除く): 319698900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 659, 1318, 1321, 1977, 2636, 2642, 3295, 3954, 3963, 5284, 5931, 6590, 6605, 7908, 7926, 9885, 11862, 11889, 13180, 13210, 15852, 19770, 19815, 23724, 23778, 26420, 29655, 39540, 39630, 47556, 59310, 59445, 79260, 118620, 118890, 237780, 870539, 1741078, 2611617, 3482156, 4352695, 5223234, 7834851, 8705390, 10446468, 13058085, 15669702, 17410780, 26116170, 31339404, 39174255, 52232340, 78348510, 156697020]

約数ペア:

[(1, 156697020), (2, 78348510), (3, 52232340), (4, 39174255), (5, 31339404), (6, 26116170), (9, 17410780), (10, 15669702), (12, 13058085), (15, 10446468), (18, 8705390), (20, 7834851), (30, 5223234), (36, 4352695), (45, 3482156), (60, 2611617), (90, 1741078), (180, 870539), (659, 237780), (1318, 118890), (1321, 118620), (1977, 79260), (2636, 59445), (2642, 59310), (3295, 47556), (3954, 39630), (3963, 39540), (5284, 29655), (5931, 26420), (6590, 23778), (6605, 23724), (7908, 19815), (7926, 19770), (9885, 15852), (11862, 13210), (11889, 13180)]