656686440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 2295415980

約数和(自身を除く): 1638729540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 216, 232, 241, 261, 270, 290, 324, 348, 360, 405, 435, 482, 522, 540, 580, 648, 696, 723, 783, 810, 841, 870, 964, 1044, 1080, 1160, 1205, 1305, 1446, 1566, 1620, 1682, 1740, 1928, 2088, 2169, 2349, 2410, 2523, 2610, 2892, 3132, 3240, 3364, 3480, 3615, 3915, 4205, 4338, 4698, 4820, 5046, 5220, 5784, 6264, 6507, 6728, 6989, 7230, 7569, 7830, 8410, 8676, 9396, 9640, 10092, 10440, 10845, 11745, 12615, 13014, 13978, 14460, 15138, 15660, 16820, 17352, 18792, 19521, 20184, 20967, 21690, 22707, 23490, 25230, 26028, 27956, 28920, 30276, 31320, 32535, 33640, 34945, 37845, 39042, 41934, 43380, 45414, 46980, 50460, 52056, 55912, 60552, 62901, 65070, 68121, 69890, 75690, 78084, 83868, 86760, 90828, 93960, 97605, 100920, 104835, 113535, 125802, 130140, 136242, 139780, 151380, 156168, 167736, 181656, 188703, 195210, 202681, 209670, 227070, 251604, 260280, 272484, 279560, 302760, 314505, 340605, 377406, 390420, 405362, 419340, 454140, 503208, 544968, 566109, 608043, 629010, 681210, 754812, 780840, 810724, 838680, 908280, 943515, 1013405, 1132218, 1216086, 1258020, 1362420, 1509624, 1621448, 1824129, 1887030, 2026810, 2264436, 2432172, 2516040, 2724840, 2830545, 3040215, 3648258, 3774060, 4053620, 4528872, 4864344, 5472387, 5661090, 6080430, 7296516, 7548120, 8107240, 9120645, 10944774, 11322180, 12160860, 14593032, 16417161, 18241290, 21889548, 22644360, 24321720, 27361935, 32834322, 36482580, 43779096, 54723870, 65668644, 72965160, 82085805, 109447740, 131337288, 164171610, 218895480, 328343220, 656686440]

約数ペア:

[(1, 656686440), (2, 328343220), (3, 218895480), (4, 164171610), (5, 131337288), (6, 109447740), (8, 82085805), (9, 72965160), (10, 65668644), (12, 54723870), (15, 43779096), (18, 36482580), (20, 32834322), (24, 27361935), (27, 24321720), (29, 22644360), (30, 21889548), (36, 18241290), (40, 16417161), (45, 14593032), (54, 12160860), (58, 11322180), (60, 10944774), (72, 9120645), (81, 8107240), (87, 7548120), (90, 7296516), (108, 6080430), (116, 5661090), (120, 5472387), (135, 4864344), (145, 4528872), (162, 4053620), (174, 3774060), (180, 3648258), (216, 3040215), (232, 2830545), (241, 2724840), (261, 2516040), (270, 2432172), (290, 2264436), (324, 2026810), (348, 1887030), (360, 1824129), (405, 1621448), (435, 1509624), (482, 1362420), (522, 1258020), (540, 1216086), (580, 1132218), (648, 1013405), (696, 943515), (723, 908280), (783, 838680), (810, 810724), (841, 780840), (870, 754812), (964, 681210), (1044, 629010), (1080, 608043), (1160, 566109), (1205, 544968), (1305, 503208), (1446, 454140), (1566, 419340), (1620, 405362), (1682, 390420), (1740, 377406), (1928, 340605), (2088, 314505), (2169, 302760), (2349, 279560), (2410, 272484), (2523, 260280), (2610, 251604), (2892, 227070), (3132, 209670), (3240, 202681), (3364, 195210), (3480, 188703), (3615, 181656), (3915, 167736), (4205, 156168), (4338, 151380), (4698, 139780), (4820, 136242), (5046, 130140), (5220, 125802), (5784, 113535), (6264, 104835), (6507, 100920), (6728, 97605), (6989, 93960), (7230, 90828), (7569, 86760), (7830, 83868), (8410, 78084), (8676, 75690), (9396, 69890), (9640, 68121), (10092, 65070), (10440, 62901), (10845, 60552), (11745, 55912), (12615, 52056), (13014, 50460), (13978, 46980), (14460, 45414), (15138, 43380), (15660, 41934), (16820, 39042), (17352, 37845), (18792, 34945), (19521, 33640), (20184, 32535), (20967, 31320), (21690, 30276), (22707, 28920), (23490, 27956), (25230, 26028)]