84169960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9697}}^1$

素因数の和:9746

約数の個数: 64

約数和(自身を含む): 223441920

約数和(自身を除く): 139271960

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, 8680, 9697, 19394, 38788, 48485, 67879, 77576, 96970, 135758, 193940, 271516, 300607, 339395, 387880, 543032, 601214, 678790, 1202428, 1357580, 1503035, 2104249, 2404856, 2715160, 3006070, 4208498, 6012140, 8416996, 10521245, 12024280, 16833992, 21042490, 42084980, 84169960]

約数ペア:

[(1, 84169960), (2, 42084980), (4, 21042490), (5, 16833992), (7, 12024280), (8, 10521245), (10, 8416996), (14, 6012140), (20, 4208498), (28, 3006070), (31, 2715160), (35, 2404856), (40, 2104249), (56, 1503035), (62, 1357580), (70, 1202428), (124, 678790), (140, 601214), (155, 543032), (217, 387880), (248, 339395), (280, 300607), (310, 271516), (434, 193940), (620, 135758), (868, 96970), (1085, 77576), (1240, 67879), (1736, 48485), (2170, 38788), (4340, 19394), (8680, 9697)]