172521480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20249}}^1$

素因数の和:20334

約数の個数: 64

約数和(自身を含む): 524880000

約数和(自身を除く): 352358520

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, 20249, 40498, 60747, 80996, 101245, 121494, 161992, 202490, 242988, 303735, 404980, 485976, 607470, 809960, 1214940, 1437679, 2429880, 2875358, 4313037, 5750716, 7188395, 8626074, 11501432, 14376790, 17252148, 21565185, 28753580, 34504296, 43130370, 57507160, 86260740, 172521480]

約数ペア:

[(1, 172521480), (2, 86260740), (3, 57507160), (4, 43130370), (5, 34504296), (6, 28753580), (8, 21565185), (10, 17252148), (12, 14376790), (15, 11501432), (20, 8626074), (24, 7188395), (30, 5750716), (40, 4313037), (60, 2875358), (71, 2429880), (120, 1437679), (142, 1214940), (213, 809960), (284, 607470), (355, 485976), (426, 404980), (568, 303735), (710, 242988), (852, 202490), (1065, 161992), (1420, 121494), (1704, 101245), (2130, 80996), (2840, 60747), (4260, 40498), (8520, 20249)]