656941320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:909

約数の個数: 256

約数和(自身を含む): 2528064000

約数和(自身を除く): 1871122680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 113, 120, 126, 135, 140, 168, 180, 189, 210, 216, 226, 252, 270, 280, 315, 339, 360, 378, 420, 452, 504, 540, 565, 630, 678, 756, 769, 791, 840, 904, 945, 1017, 1080, 1130, 1260, 1356, 1512, 1538, 1582, 1695, 1890, 2034, 2260, 2307, 2373, 2520, 2712, 3051, 3076, 3164, 3390, 3780, 3845, 3955, 4068, 4520, 4614, 4746, 5085, 5383, 6102, 6152, 6328, 6780, 6921, 7119, 7560, 7690, 7910, 8136, 9228, 9492, 10170, 10766, 11535, 11865, 12204, 13560, 13842, 14238, 15255, 15380, 15820, 16149, 18456, 18984, 20340, 20763, 21357, 21532, 23070, 23730, 24408, 26915, 27684, 28476, 30510, 30760, 31640, 32298, 34605, 35595, 40680, 41526, 42714, 43064, 46140, 47460, 48447, 53830, 55368, 56952, 61020, 64596, 69210, 71190, 80745, 83052, 85428, 86897, 92280, 94920, 96894, 103815, 106785, 107660, 122040, 129192, 138420, 142380, 145341, 161490, 166104, 170856, 173794, 193788, 207630, 213570, 215320, 242235, 260691, 276840, 284760, 290682, 322980, 347588, 387576, 415260, 427140, 434485, 484470, 521382, 581364, 608279, 645960, 695176, 726705, 782073, 830520, 854280, 868970, 968940, 1042764, 1162728, 1216558, 1303455, 1453410, 1564146, 1737940, 1824837, 1937880, 2085528, 2346219, 2433116, 2606910, 2906820, 3041395, 3128292, 3475880, 3649674, 3910365, 4692438, 4866232, 5213820, 5474511, 5813640, 6082790, 6256584, 7299348, 7820730, 9124185, 9384876, 10427640, 10949022, 11731095, 12165580, 14598696, 15641460, 16423533, 18248370, 18769752, 21898044, 23462190, 24331160, 27372555, 31282920, 32847066, 36496740, 43796088, 46924380, 54745110, 65694132, 72993480, 82117665, 93848760, 109490220, 131388264, 164235330, 218980440, 328470660, 656941320]

約数ペア:

[(1, 656941320), (2, 328470660), (3, 218980440), (4, 164235330), (5, 131388264), (6, 109490220), (7, 93848760), (8, 82117665), (9, 72993480), (10, 65694132), (12, 54745110), (14, 46924380), (15, 43796088), (18, 36496740), (20, 32847066), (21, 31282920), (24, 27372555), (27, 24331160), (28, 23462190), (30, 21898044), (35, 18769752), (36, 18248370), (40, 16423533), (42, 15641460), (45, 14598696), (54, 12165580), (56, 11731095), (60, 10949022), (63, 10427640), (70, 9384876), (72, 9124185), (84, 7820730), (90, 7299348), (105, 6256584), (108, 6082790), (113, 5813640), (120, 5474511), (126, 5213820), (135, 4866232), (140, 4692438), (168, 3910365), (180, 3649674), (189, 3475880), (210, 3128292), (216, 3041395), (226, 2906820), (252, 2606910), (270, 2433116), (280, 2346219), (315, 2085528), (339, 1937880), (360, 1824837), (378, 1737940), (420, 1564146), (452, 1453410), (504, 1303455), (540, 1216558), (565, 1162728), (630, 1042764), (678, 968940), (756, 868970), (769, 854280), (791, 830520), (840, 782073), (904, 726705), (945, 695176), (1017, 645960), (1080, 608279), (1130, 581364), (1260, 521382), (1356, 484470), (1512, 434485), (1538, 427140), (1582, 415260), (1695, 387576), (1890, 347588), (2034, 322980), (2260, 290682), (2307, 284760), (2373, 276840), (2520, 260691), (2712, 242235), (3051, 215320), (3076, 213570), (3164, 207630), (3390, 193788), (3780, 173794), (3845, 170856), (3955, 166104), (4068, 161490), (4520, 145341), (4614, 142380), (4746, 138420), (5085, 129192), (5383, 122040), (6102, 107660), (6152, 106785), (6328, 103815), (6780, 96894), (6921, 94920), (7119, 92280), (7560, 86897), (7690, 85428), (7910, 83052), (8136, 80745), (9228, 71190), (9492, 69210), (10170, 64596), (10766, 61020), (11535, 56952), (11865, 55368), (12204, 53830), (13560, 48447), (13842, 47460), (14238, 46140), (15255, 43064), (15380, 42714), (15820, 41526), (16149, 40680), (18456, 35595), (18984, 34605), (20340, 32298), (20763, 31640), (21357, 30760), (21532, 30510), (23070, 28476), (23730, 27684), (24408, 26915)]