51420720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16481}}^1$

素因数の和:16510

約数の個数: 80

約数和(自身を含む): 171676512

約数和(自身を除く): 120255792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 16481, 32962, 49443, 65924, 82405, 98886, 131848, 164810, 197772, 214253, 247215, 263696, 329620, 395544, 428506, 494430, 642759, 659240, 791088, 857012, 988860, 1071265, 1285518, 1318480, 1714024, 1977720, 2142530, 2571036, 3213795, 3428048, 3955440, 4285060, 5142072, 6427590, 8570120, 10284144, 12855180, 17140240, 25710360, 51420720]

約数ペア:

[(1, 51420720), (2, 25710360), (3, 17140240), (4, 12855180), (5, 10284144), (6, 8570120), (8, 6427590), (10, 5142072), (12, 4285060), (13, 3955440), (15, 3428048), (16, 3213795), (20, 2571036), (24, 2142530), (26, 1977720), (30, 1714024), (39, 1318480), (40, 1285518), (48, 1071265), (52, 988860), (60, 857012), (65, 791088), (78, 659240), (80, 642759), (104, 494430), (120, 428506), (130, 395544), (156, 329620), (195, 263696), (208, 247215), (240, 214253), (260, 197772), (312, 164810), (390, 131848), (520, 98886), (624, 82405), (780, 65924), (1040, 49443), (1560, 32962), (3120, 16481)]