28511820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1049}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 87141600

約数和(自身を除く): 58629780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1049, 1359, 1510, 1812, 2098, 2265, 2718, 3020, 3147, 4196, 4530, 5245, 5436, 6294, 6795, 9060, 9441, 10490, 12588, 13590, 15735, 18882, 20980, 27180, 31470, 37764, 47205, 62940, 94410, 158399, 188820, 316798, 475197, 633596, 791995, 950394, 1425591, 1583990, 1900788, 2375985, 2851182, 3167980, 4751970, 5702364, 7127955, 9503940, 14255910, 28511820]

約数ペア:

[(1, 28511820), (2, 14255910), (3, 9503940), (4, 7127955), (5, 5702364), (6, 4751970), (9, 3167980), (10, 2851182), (12, 2375985), (15, 1900788), (18, 1583990), (20, 1425591), (30, 950394), (36, 791995), (45, 633596), (60, 475197), (90, 316798), (151, 188820), (180, 158399), (302, 94410), (453, 62940), (604, 47205), (755, 37764), (906, 31470), (1049, 27180), (1359, 20980), (1510, 18882), (1812, 15735), (2098, 13590), (2265, 12588), (2718, 10490), (3020, 9441), (3147, 9060), (4196, 6795), (4530, 6294), (5245, 5436)]