327779920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 824447232

約数和(自身を除く): 496667312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 271, 520, 542, 1040, 1084, 1163, 1355, 2168, 2326, 2710, 3523, 4336, 4652, 5420, 5815, 7046, 9304, 10840, 11630, 14092, 15119, 17615, 18608, 21680, 23260, 28184, 30238, 35230, 46520, 56368, 60476, 70460, 75595, 93040, 120952, 140920, 151190, 241904, 281840, 302380, 315173, 604760, 630346, 1209520, 1260692, 1575865, 2521384, 3151730, 4097249, 5042768, 6303460, 8194498, 12606920, 16388996, 20486245, 25213840, 32777992, 40972490, 65555984, 81944980, 163889960, 327779920]

約数ペア:

[(1, 327779920), (2, 163889960), (4, 81944980), (5, 65555984), (8, 40972490), (10, 32777992), (13, 25213840), (16, 20486245), (20, 16388996), (26, 12606920), (40, 8194498), (52, 6303460), (65, 5042768), (80, 4097249), (104, 3151730), (130, 2521384), (208, 1575865), (260, 1260692), (271, 1209520), (520, 630346), (542, 604760), (1040, 315173), (1084, 302380), (1163, 281840), (1355, 241904), (2168, 151190), (2326, 140920), (2710, 120952), (3523, 93040), (4336, 75595), (4652, 70460), (5420, 60476), (5815, 56368), (7046, 46520), (9304, 35230), (10840, 30238), (11630, 28184), (14092, 23260), (15119, 21680), (17615, 18608)]