217408860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3121}}^1$

素因数の和:3185

約数の個数: 120

約数和(自身を含む): 698104176

約数和(自身を除く): 480695316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1161, 1290, 1548, 1620, 1935, 2322, 2580, 3121, 3483, 3870, 4644, 5805, 6242, 6966, 7740, 9363, 11610, 12484, 13932, 15605, 17415, 18726, 23220, 28089, 31210, 34830, 37452, 46815, 56178, 62420, 69660, 84267, 93630, 112356, 134203, 140445, 168534, 187260, 252801, 268406, 280890, 337068, 402609, 421335, 505602, 536812, 561780, 671015, 805218, 842670, 1011204, 1207827, 1264005, 1342030, 1610436, 1685340, 2013045, 2415654, 2528010, 2684060, 3623481, 4026090, 4831308, 5056020, 6039135, 7246962, 8052180, 10870443, 12078270, 14493924, 18117405, 21740886, 24156540, 36234810, 43481772, 54352215, 72469620, 108704430, 217408860]

約数ペア:

[(1, 217408860), (2, 108704430), (3, 72469620), (4, 54352215), (5, 43481772), (6, 36234810), (9, 24156540), (10, 21740886), (12, 18117405), (15, 14493924), (18, 12078270), (20, 10870443), (27, 8052180), (30, 7246962), (36, 6039135), (43, 5056020), (45, 4831308), (54, 4026090), (60, 3623481), (81, 2684060), (86, 2528010), (90, 2415654), (108, 2013045), (129, 1685340), (135, 1610436), (162, 1342030), (172, 1264005), (180, 1207827), (215, 1011204), (258, 842670), (270, 805218), (324, 671015), (387, 561780), (405, 536812), (430, 505602), (516, 421335), (540, 402609), (645, 337068), (774, 280890), (810, 268406), (860, 252801), (1161, 187260), (1290, 168534), (1548, 140445), (1620, 134203), (1935, 112356), (2322, 93630), (2580, 84267), (3121, 69660), (3483, 62420), (3870, 56178), (4644, 46815), (5805, 37452), (6242, 34830), (6966, 31210), (7740, 28089), (9363, 23220), (11610, 18726), (12484, 17415), (13932, 15605)]