71983240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8293}}^1$

素因数の和:8342

約数の個数: 64

約数和(自身を含む): 191093760

約数和(自身を除く): 119110520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8293, 8680, 16586, 33172, 41465, 58051, 66344, 82930, 116102, 165860, 232204, 257083, 290255, 331720, 464408, 514166, 580510, 1028332, 1161020, 1285415, 1799581, 2056664, 2322040, 2570830, 3599162, 5141660, 7198324, 8997905, 10283320, 14396648, 17995810, 35991620, 71983240]

約数ペア:

[(1, 71983240), (2, 35991620), (4, 17995810), (5, 14396648), (7, 10283320), (8, 8997905), (10, 7198324), (14, 5141660), (20, 3599162), (28, 2570830), (31, 2322040), (35, 2056664), (40, 1799581), (56, 1285415), (62, 1161020), (70, 1028332), (124, 580510), (140, 514166), (155, 464408), (217, 331720), (248, 290255), (280, 257083), (310, 232204), (434, 165860), (620, 116102), (868, 82930), (1085, 66344), (1240, 58051), (1736, 41465), (2170, 33172), (4340, 16586), (8293, 8680)]