278956560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4289}}^1$

素因数の和:4576

約数の個数: 80

約数和(自身を含む): 868158720

約数和(自身を除く): 589202160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 4289, 4336, 5420, 6504, 8130, 8578, 10840, 12867, 13008, 16260, 17156, 21445, 21680, 25734, 32520, 34312, 42890, 51468, 64335, 65040, 68624, 85780, 102936, 128670, 171560, 205872, 257340, 343120, 514680, 1029360, 1162319, 2324638, 3486957, 4649276, 5811595, 6973914, 9298552, 11623190, 13947828, 17434785, 18597104, 23246380, 27895656, 34869570, 46492760, 55791312, 69739140, 92985520, 139478280, 278956560]

約数ペア:

[(1, 278956560), (2, 139478280), (3, 92985520), (4, 69739140), (5, 55791312), (6, 46492760), (8, 34869570), (10, 27895656), (12, 23246380), (15, 18597104), (16, 17434785), (20, 13947828), (24, 11623190), (30, 9298552), (40, 6973914), (48, 5811595), (60, 4649276), (80, 3486957), (120, 2324638), (240, 1162319), (271, 1029360), (542, 514680), (813, 343120), (1084, 257340), (1355, 205872), (1626, 171560), (2168, 128670), (2710, 102936), (3252, 85780), (4065, 68624), (4289, 65040), (4336, 64335), (5420, 51468), (6504, 42890), (8130, 34312), (8578, 32520), (10840, 25734), (12867, 21680), (13008, 21445), (16260, 17156)]