257207460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{13523}}^1$

素因数の和:13852

約数の個数: 48

約数和(自身を含む): 722506176

約数和(自身を除く): 465298716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1585, 1902, 3170, 3804, 4755, 6340, 9510, 13523, 19020, 27046, 40569, 54092, 67615, 81138, 135230, 162276, 202845, 270460, 405690, 811380, 4286791, 8573582, 12860373, 17147164, 21433955, 25720746, 42867910, 51441492, 64301865, 85735820, 128603730, 257207460]

約数ペア:

[(1, 257207460), (2, 128603730), (3, 85735820), (4, 64301865), (5, 51441492), (6, 42867910), (10, 25720746), (12, 21433955), (15, 17147164), (20, 12860373), (30, 8573582), (60, 4286791), (317, 811380), (634, 405690), (951, 270460), (1268, 202845), (1585, 162276), (1902, 135230), (3170, 81138), (3804, 67615), (4755, 54092), (6340, 40569), (9510, 27046), (13523, 19020)]