81174120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21821}}^1$

素因数の和:21866

約数の個数: 64

約数和(自身を含む): 251389440

約数和(自身を除く): 170215320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21821, 43642, 65463, 87284, 109105, 130926, 174568, 218210, 261852, 327315, 436420, 523704, 654630, 676451, 872840, 1309260, 1352902, 2029353, 2618520, 2705804, 3382255, 4058706, 5411608, 6764510, 8117412, 10146765, 13529020, 16234824, 20293530, 27058040, 40587060, 81174120]

約数ペア:

[(1, 81174120), (2, 40587060), (3, 27058040), (4, 20293530), (5, 16234824), (6, 13529020), (8, 10146765), (10, 8117412), (12, 6764510), (15, 5411608), (20, 4058706), (24, 3382255), (30, 2705804), (31, 2618520), (40, 2029353), (60, 1352902), (62, 1309260), (93, 872840), (120, 676451), (124, 654630), (155, 523704), (186, 436420), (248, 327315), (310, 261852), (372, 218210), (465, 174568), (620, 130926), (744, 109105), (930, 87284), (1240, 65463), (1860, 43642), (3720, 21821)]