72642920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8369}}^1$

素因数の和:8418

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 120201880

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, 8369, 8680, 16738, 33476, 41845, 58583, 66952, 83690, 117166, 167380, 234332, 259439, 292915, 334760, 468664, 518878, 585830, 1037756, 1171660, 1297195, 1816073, 2075512, 2343320, 2594390, 3632146, 5188780, 7264292, 9080365, 10377560, 14528584, 18160730, 36321460, 72642920]

約数ペア:

[(1, 72642920), (2, 36321460), (4, 18160730), (5, 14528584), (7, 10377560), (8, 9080365), (10, 7264292), (14, 5188780), (20, 3632146), (28, 2594390), (31, 2343320), (35, 2075512), (40, 1816073), (56, 1297195), (62, 1171660), (70, 1037756), (124, 585830), (140, 518878), (155, 468664), (217, 334760), (248, 292915), (280, 259439), (310, 234332), (434, 167380), (620, 117166), (868, 83690), (1085, 66952), (1240, 58583), (1736, 41845), (2170, 33476), (4340, 16738), (8369, 8680)]