81612510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 238270464

約数和(自身を除く): 156657954

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 61, 69, 70, 105, 115, 122, 138, 161, 183, 210, 230, 277, 305, 322, 345, 366, 427, 483, 554, 610, 690, 805, 831, 854, 915, 966, 1281, 1385, 1403, 1610, 1662, 1830, 1939, 2135, 2415, 2562, 2770, 2806, 3878, 4155, 4209, 4270, 4830, 5817, 6371, 6405, 7015, 8310, 8418, 9695, 9821, 11634, 12742, 12810, 14030, 16897, 19113, 19390, 19642, 21045, 29085, 29463, 31855, 33794, 38226, 42090, 44597, 49105, 50691, 58170, 58926, 63710, 84485, 89194, 95565, 98210, 101382, 118279, 133791, 147315, 168970, 191130, 222985, 236558, 253455, 267582, 294630, 354837, 388631, 445970, 506910, 591395, 668955, 709674, 777262, 1165893, 1182790, 1337910, 1774185, 1943155, 2331786, 2720417, 3548370, 3886310, 5440834, 5829465, 8161251, 11658930, 13602085, 16322502, 27204170, 40806255, 81612510]

約数ペア:

[(1, 81612510), (2, 40806255), (3, 27204170), (5, 16322502), (6, 13602085), (7, 11658930), (10, 8161251), (14, 5829465), (15, 5440834), (21, 3886310), (23, 3548370), (30, 2720417), (35, 2331786), (42, 1943155), (46, 1774185), (61, 1337910), (69, 1182790), (70, 1165893), (105, 777262), (115, 709674), (122, 668955), (138, 591395), (161, 506910), (183, 445970), (210, 388631), (230, 354837), (277, 294630), (305, 267582), (322, 253455), (345, 236558), (366, 222985), (427, 191130), (483, 168970), (554, 147315), (610, 133791), (690, 118279), (805, 101382), (831, 98210), (854, 95565), (915, 89194), (966, 84485), (1281, 63710), (1385, 58926), (1403, 58170), (1610, 50691), (1662, 49105), (1830, 44597), (1939, 42090), (2135, 38226), (2415, 33794), (2562, 31855), (2770, 29463), (2806, 29085), (3878, 21045), (4155, 19642), (4209, 19390), (4270, 19113), (4830, 16897), (5817, 14030), (6371, 12810), (6405, 12742), (7015, 11634), (8310, 9821), (8418, 9695)]