217521623640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25530707}}^1$

素因数の和:25530792

約数の個数: 64

約数和(自身を含む): 661755951360

約数和(自身を除く): 444234327720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25530707, 51061414, 76592121, 102122828, 127653535, 153184242, 204245656, 255307070, 306368484, 382960605, 510614140, 612736968, 765921210, 1021228280, 1531842420, 1812680197, 3063684840, 3625360394, 5438040591, 7250720788, 9063400985, 10876081182, 14501441576, 18126801970, 21752162364, 27190202955, 36253603940, 43504324728, 54380405910, 72507207880, 108760811820, 217521623640]

約数ペア:

[(1, 217521623640), (2, 108760811820), (3, 72507207880), (4, 54380405910), (5, 43504324728), (6, 36253603940), (8, 27190202955), (10, 21752162364), (12, 18126801970), (15, 14501441576), (20, 10876081182), (24, 9063400985), (30, 7250720788), (40, 5438040591), (60, 3625360394), (71, 3063684840), (120, 1812680197), (142, 1531842420), (213, 1021228280), (284, 765921210), (355, 612736968), (426, 510614140), (568, 382960605), (710, 306368484), (852, 255307070), (1065, 204245656), (1420, 153184242), (1704, 127653535), (2130, 102122828), (2840, 76592121), (4260, 51061414), (8520, 25530707)]