65721760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1710

約数の個数: 96

約数和(自身を含む): 176117760

約数和(自身を除く): 110396000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1663, 1976, 2080, 2470, 3040, 3326, 3952, 4940, 6652, 7904, 8315, 9880, 13304, 16630, 19760, 21619, 26608, 31597, 33260, 39520, 43238, 53216, 63194, 66520, 86476, 108095, 126388, 133040, 157985, 172952, 216190, 252776, 266080, 315970, 345904, 410761, 432380, 505552, 631940, 691808, 821522, 864760, 1011104, 1263880, 1643044, 1729520, 2053805, 2527760, 3286088, 3459040, 4107610, 5055520, 6572176, 8215220, 13144352, 16430440, 32860880, 65721760]

約数ペア:

[(1, 65721760), (2, 32860880), (4, 16430440), (5, 13144352), (8, 8215220), (10, 6572176), (13, 5055520), (16, 4107610), (19, 3459040), (20, 3286088), (26, 2527760), (32, 2053805), (38, 1729520), (40, 1643044), (52, 1263880), (65, 1011104), (76, 864760), (80, 821522), (95, 691808), (104, 631940), (130, 505552), (152, 432380), (160, 410761), (190, 345904), (208, 315970), (247, 266080), (260, 252776), (304, 216190), (380, 172952), (416, 157985), (494, 133040), (520, 126388), (608, 108095), (760, 86476), (988, 66520), (1040, 63194), (1235, 53216), (1520, 43238), (1663, 39520), (1976, 33260), (2080, 31597), (2470, 26608), (3040, 21619), (3326, 19760), (3952, 16630), (4940, 13304), (6652, 9880), (7904, 8315)]