257020380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46061}}^1$

素因数の和:46107

約数の個数: 72

約数和(自身を含む): 804795264

約数和(自身を除く): 547774884

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, 46061, 92122, 138183, 184244, 230305, 276366, 414549, 460610, 552732, 690915, 829098, 921220, 1381830, 1427891, 1658196, 2072745, 2763660, 2855782, 4145490, 4283673, 5711564, 7139455, 8290980, 8567346, 12851019, 14278910, 17134692, 21418365, 25702038, 28557820, 42836730, 51404076, 64255095, 85673460, 128510190, 257020380]

約数ペア:

[(1, 257020380), (2, 128510190), (3, 85673460), (4, 64255095), (5, 51404076), (6, 42836730), (9, 28557820), (10, 25702038), (12, 21418365), (15, 17134692), (18, 14278910), (20, 12851019), (30, 8567346), (31, 8290980), (36, 7139455), (45, 5711564), (60, 4283673), (62, 4145490), (90, 2855782), (93, 2763660), (124, 2072745), (155, 1658196), (180, 1427891), (186, 1381830), (279, 921220), (310, 829098), (372, 690915), (465, 552732), (558, 460610), (620, 414549), (930, 276366), (1116, 230305), (1395, 184244), (1860, 138183), (2790, 92122), (5580, 46061)]