853177520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43177}}^1$

素因数の和:43222

約数の個数: 80

約数和(自身を含む): 2248710240

約数和(自身を除く): 1395532720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 43177, 86354, 172708, 215885, 345416, 431770, 561301, 690832, 820363, 863540, 1122602, 1640726, 1727080, 2245204, 2806505, 3281452, 3454160, 4101815, 4490408, 5613010, 6562904, 8203630, 8980816, 10664719, 11226020, 13125808, 16407260, 21329438, 22452040, 32814520, 42658876, 44904080, 53323595, 65629040, 85317752, 106647190, 170635504, 213294380, 426588760, 853177520]

約数ペア:

[(1, 853177520), (2, 426588760), (4, 213294380), (5, 170635504), (8, 106647190), (10, 85317752), (13, 65629040), (16, 53323595), (19, 44904080), (20, 42658876), (26, 32814520), (38, 22452040), (40, 21329438), (52, 16407260), (65, 13125808), (76, 11226020), (80, 10664719), (95, 8980816), (104, 8203630), (130, 6562904), (152, 5613010), (190, 4490408), (208, 4101815), (247, 3454160), (260, 3281452), (304, 2806505), (380, 2245204), (494, 1727080), (520, 1640726), (760, 1122602), (988, 863540), (1040, 820363), (1235, 690832), (1520, 561301), (1976, 431770), (2470, 345416), (3952, 215885), (4940, 172708), (9880, 86354), (19760, 43177)]