90256920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1305

約数の個数: 128

約数和(自身を含む): 298045440

約数和(自身を除く): 207788520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 376, 390, 470, 520, 564, 611, 705, 780, 940, 1128, 1222, 1231, 1410, 1560, 1833, 1880, 2444, 2462, 2820, 3055, 3666, 3693, 4888, 4924, 5640, 6110, 6155, 7332, 7386, 9165, 9848, 12220, 12310, 14664, 14772, 16003, 18330, 18465, 24440, 24620, 29544, 32006, 36660, 36930, 48009, 49240, 57857, 64012, 73320, 73860, 80015, 96018, 115714, 128024, 147720, 160030, 173571, 192036, 231428, 240045, 289285, 320060, 347142, 384072, 462856, 480090, 578570, 640120, 694284, 752141, 867855, 960180, 1157140, 1388568, 1504282, 1735710, 1920360, 2256423, 2314280, 3008564, 3471420, 3760705, 4512846, 6017128, 6942840, 7521410, 9025692, 11282115, 15042820, 18051384, 22564230, 30085640, 45128460, 90256920]

約数ペア:

[(1, 90256920), (2, 45128460), (3, 30085640), (4, 22564230), (5, 18051384), (6, 15042820), (8, 11282115), (10, 9025692), (12, 7521410), (13, 6942840), (15, 6017128), (20, 4512846), (24, 3760705), (26, 3471420), (30, 3008564), (39, 2314280), (40, 2256423), (47, 1920360), (52, 1735710), (60, 1504282), (65, 1388568), (78, 1157140), (94, 960180), (104, 867855), (120, 752141), (130, 694284), (141, 640120), (156, 578570), (188, 480090), (195, 462856), (235, 384072), (260, 347142), (282, 320060), (312, 289285), (376, 240045), (390, 231428), (470, 192036), (520, 173571), (564, 160030), (611, 147720), (705, 128024), (780, 115714), (940, 96018), (1128, 80015), (1222, 73860), (1231, 73320), (1410, 64012), (1560, 57857), (1833, 49240), (1880, 48009), (2444, 36930), (2462, 36660), (2820, 32006), (3055, 29544), (3666, 24620), (3693, 24440), (4888, 18465), (4924, 18330), (5640, 16003), (6110, 14772), (6155, 14664), (7332, 12310), (7386, 12220), (9165, 9848)]