16817520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:982

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 36036240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 887, 948, 1185, 1264, 1580, 1774, 1896, 2370, 2661, 3160, 3548, 3792, 4435, 4740, 5322, 6320, 7096, 8870, 9480, 10644, 13305, 14192, 17740, 18960, 21288, 26610, 35480, 42576, 53220, 70073, 70960, 106440, 140146, 210219, 212880, 280292, 350365, 420438, 560584, 700730, 840876, 1051095, 1121168, 1401460, 1681752, 2102190, 2802920, 3363504, 4204380, 5605840, 8408760, 16817520]

約数ペア:

[(1, 16817520), (2, 8408760), (3, 5605840), (4, 4204380), (5, 3363504), (6, 2802920), (8, 2102190), (10, 1681752), (12, 1401460), (15, 1121168), (16, 1051095), (20, 840876), (24, 700730), (30, 560584), (40, 420438), (48, 350365), (60, 280292), (79, 212880), (80, 210219), (120, 140146), (158, 106440), (237, 70960), (240, 70073), (316, 53220), (395, 42576), (474, 35480), (632, 26610), (790, 21288), (887, 18960), (948, 17740), (1185, 14192), (1264, 13305), (1580, 10644), (1774, 9480), (1896, 8870), (2370, 7096), (2661, 6320), (3160, 5322), (3548, 4740), (3792, 4435)]