71976420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12899}}^1$

素因数の和:12945

約数の個数: 72

約数和(自身を含む): 225388800

約数和(自身を除く): 153412380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 12899, 25798, 38697, 51596, 64495, 77394, 116091, 128990, 154788, 193485, 232182, 257980, 386970, 399869, 464364, 580455, 773940, 799738, 1160910, 1199607, 1599476, 1999345, 2321820, 2399214, 3598821, 3998690, 4798428, 5998035, 7197642, 7997380, 11996070, 14395284, 17994105, 23992140, 35988210, 71976420]

約数ペア:

[(1, 71976420), (2, 35988210), (3, 23992140), (4, 17994105), (5, 14395284), (6, 11996070), (9, 7997380), (10, 7197642), (12, 5998035), (15, 4798428), (18, 3998690), (20, 3598821), (30, 2399214), (31, 2321820), (36, 1999345), (45, 1599476), (60, 1199607), (62, 1160910), (90, 799738), (93, 773940), (124, 580455), (155, 464364), (180, 399869), (186, 386970), (279, 257980), (310, 232182), (372, 193485), (465, 154788), (558, 128990), (620, 116091), (930, 77394), (1116, 64495), (1395, 51596), (1860, 38697), (2790, 25798), (5580, 12899)]