261559920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3851}}^1$

素因数の和:4150

約数の個数: 80

約数和(自身を含む): 813912192

約数和(自身を除く): 552352272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 566, 849, 1132, 1415, 1698, 2264, 2830, 3396, 3851, 4245, 4528, 5660, 6792, 7702, 8490, 11320, 11553, 13584, 15404, 16980, 19255, 22640, 23106, 30808, 33960, 38510, 46212, 57765, 61616, 67920, 77020, 92424, 115530, 154040, 184848, 231060, 308080, 462120, 924240, 1089833, 2179666, 3269499, 4359332, 5449165, 6538998, 8718664, 10898330, 13077996, 16347495, 17437328, 21796660, 26155992, 32694990, 43593320, 52311984, 65389980, 87186640, 130779960, 261559920]

約数ペア:

[(1, 261559920), (2, 130779960), (3, 87186640), (4, 65389980), (5, 52311984), (6, 43593320), (8, 32694990), (10, 26155992), (12, 21796660), (15, 17437328), (16, 16347495), (20, 13077996), (24, 10898330), (30, 8718664), (40, 6538998), (48, 5449165), (60, 4359332), (80, 3269499), (120, 2179666), (240, 1089833), (283, 924240), (566, 462120), (849, 308080), (1132, 231060), (1415, 184848), (1698, 154040), (2264, 115530), (2830, 92424), (3396, 77020), (3851, 67920), (4245, 61616), (4528, 57765), (5660, 46212), (6792, 38510), (7702, 33960), (8490, 30808), (11320, 23106), (11553, 22640), (13584, 19255), (15404, 16980)]