239644920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1597

約数の個数: 128

約数和(自身を含む): 771379200

約数和(自身を除く): 531734280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 79, 85, 102, 120, 136, 158, 170, 204, 237, 255, 316, 340, 395, 408, 474, 510, 632, 680, 790, 948, 1020, 1185, 1343, 1487, 1580, 1896, 2040, 2370, 2686, 2974, 3160, 4029, 4461, 4740, 5372, 5948, 6715, 7435, 8058, 8922, 9480, 10744, 11896, 13430, 14870, 16116, 17844, 20145, 22305, 25279, 26860, 29740, 32232, 35688, 40290, 44610, 50558, 53720, 59480, 75837, 80580, 89220, 101116, 117473, 126395, 151674, 161160, 178440, 202232, 234946, 252790, 303348, 352419, 379185, 469892, 505580, 587365, 606696, 704838, 758370, 939784, 1011160, 1174730, 1409676, 1516740, 1762095, 1997041, 2349460, 2819352, 3033480, 3524190, 3994082, 4698920, 5991123, 7048380, 7988164, 9985205, 11982246, 14096760, 15976328, 19970410, 23964492, 29955615, 39940820, 47928984, 59911230, 79881640, 119822460, 239644920]

約数ペア:

[(1, 239644920), (2, 119822460), (3, 79881640), (4, 59911230), (5, 47928984), (6, 39940820), (8, 29955615), (10, 23964492), (12, 19970410), (15, 15976328), (17, 14096760), (20, 11982246), (24, 9985205), (30, 7988164), (34, 7048380), (40, 5991123), (51, 4698920), (60, 3994082), (68, 3524190), (79, 3033480), (85, 2819352), (102, 2349460), (120, 1997041), (136, 1762095), (158, 1516740), (170, 1409676), (204, 1174730), (237, 1011160), (255, 939784), (316, 758370), (340, 704838), (395, 606696), (408, 587365), (474, 505580), (510, 469892), (632, 379185), (680, 352419), (790, 303348), (948, 252790), (1020, 234946), (1185, 202232), (1343, 178440), (1487, 161160), (1580, 151674), (1896, 126395), (2040, 117473), (2370, 101116), (2686, 89220), (2974, 80580), (3160, 75837), (4029, 59480), (4461, 53720), (4740, 50558), (5372, 44610), (5948, 40290), (6715, 35688), (7435, 32232), (8058, 29740), (8922, 26860), (9480, 25279), (10744, 22305), (11896, 20145), (13430, 17844), (14870, 16116)]