215789160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 691286400

約数和(自身を除く): 475497240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 139, 170, 204, 255, 278, 340, 408, 417, 510, 556, 680, 695, 761, 834, 1020, 1112, 1390, 1522, 1668, 2040, 2085, 2283, 2363, 2780, 3044, 3336, 3805, 4170, 4566, 4726, 5560, 6088, 7089, 7610, 8340, 9132, 9452, 11415, 11815, 12937, 14178, 15220, 16680, 18264, 18904, 22830, 23630, 25874, 28356, 30440, 35445, 38811, 45660, 47260, 51748, 56712, 64685, 70890, 77622, 91320, 94520, 103496, 105779, 129370, 141780, 155244, 194055, 211558, 258740, 283560, 310488, 317337, 388110, 423116, 517480, 528895, 634674, 776220, 846232, 1057790, 1269348, 1552440, 1586685, 1798243, 2115580, 2538696, 3173370, 3596486, 4231160, 5394729, 6346740, 7192972, 8991215, 10789458, 12693480, 14385944, 17982430, 21578916, 26973645, 35964860, 43157832, 53947290, 71929720, 107894580, 215789160]

約数ペア:

[(1, 215789160), (2, 107894580), (3, 71929720), (4, 53947290), (5, 43157832), (6, 35964860), (8, 26973645), (10, 21578916), (12, 17982430), (15, 14385944), (17, 12693480), (20, 10789458), (24, 8991215), (30, 7192972), (34, 6346740), (40, 5394729), (51, 4231160), (60, 3596486), (68, 3173370), (85, 2538696), (102, 2115580), (120, 1798243), (136, 1586685), (139, 1552440), (170, 1269348), (204, 1057790), (255, 846232), (278, 776220), (340, 634674), (408, 528895), (417, 517480), (510, 423116), (556, 388110), (680, 317337), (695, 310488), (761, 283560), (834, 258740), (1020, 211558), (1112, 194055), (1390, 155244), (1522, 141780), (1668, 129370), (2040, 105779), (2085, 103496), (2283, 94520), (2363, 91320), (2780, 77622), (3044, 70890), (3336, 64685), (3805, 56712), (4170, 51748), (4566, 47260), (4726, 45660), (5560, 38811), (6088, 35445), (7089, 30440), (7610, 28356), (8340, 25874), (9132, 23630), (9452, 22830), (11415, 18904), (11815, 18264), (12937, 16680), (14178, 15220)]