90901720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 270371520

約数和(自身を除く): 179469800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 113, 119, 130, 136, 140, 169, 170, 182, 221, 226, 238, 260, 280, 338, 340, 364, 442, 452, 455, 476, 520, 565, 595, 676, 680, 728, 791, 845, 884, 904, 910, 952, 1105, 1130, 1183, 1190, 1352, 1469, 1547, 1582, 1690, 1768, 1820, 1921, 2210, 2260, 2366, 2380, 2873, 2938, 3094, 3164, 3380, 3640, 3842, 3955, 4420, 4520, 4732, 4760, 5746, 5876, 5915, 6188, 6328, 6760, 7345, 7684, 7735, 7910, 8840, 9464, 9605, 10283, 11492, 11752, 11830, 12376, 13447, 14365, 14690, 15368, 15470, 15820, 19097, 19210, 20111, 20566, 22984, 23660, 24973, 26894, 28730, 29380, 30940, 31640, 38194, 38420, 40222, 41132, 47320, 49946, 51415, 53788, 57460, 58760, 61880, 67235, 76388, 76840, 80444, 82264, 95485, 99892, 100555, 102830, 107576, 114920, 124865, 133679, 134470, 152776, 160888, 174811, 190970, 199784, 201110, 205660, 249730, 267358, 268940, 324649, 349622, 381940, 402220, 411320, 499460, 534716, 537880, 649298, 668395, 699244, 763880, 804440, 874055, 998920, 1069432, 1298596, 1336790, 1398488, 1623245, 1748110, 2272543, 2597192, 2673580, 3246490, 3496220, 4545086, 5347160, 6492980, 6992440, 9090172, 11362715, 12985960, 18180344, 22725430, 45450860, 90901720]

約数ペア:

[(1, 90901720), (2, 45450860), (4, 22725430), (5, 18180344), (7, 12985960), (8, 11362715), (10, 9090172), (13, 6992440), (14, 6492980), (17, 5347160), (20, 4545086), (26, 3496220), (28, 3246490), (34, 2673580), (35, 2597192), (40, 2272543), (52, 1748110), (56, 1623245), (65, 1398488), (68, 1336790), (70, 1298596), (85, 1069432), (91, 998920), (104, 874055), (113, 804440), (119, 763880), (130, 699244), (136, 668395), (140, 649298), (169, 537880), (170, 534716), (182, 499460), (221, 411320), (226, 402220), (238, 381940), (260, 349622), (280, 324649), (338, 268940), (340, 267358), (364, 249730), (442, 205660), (452, 201110), (455, 199784), (476, 190970), (520, 174811), (565, 160888), (595, 152776), (676, 134470), (680, 133679), (728, 124865), (791, 114920), (845, 107576), (884, 102830), (904, 100555), (910, 99892), (952, 95485), (1105, 82264), (1130, 80444), (1183, 76840), (1190, 76388), (1352, 67235), (1469, 61880), (1547, 58760), (1582, 57460), (1690, 53788), (1768, 51415), (1820, 49946), (1921, 47320), (2210, 41132), (2260, 40222), (2366, 38420), (2380, 38194), (2873, 31640), (2938, 30940), (3094, 29380), (3164, 28730), (3380, 26894), (3640, 24973), (3842, 23660), (3955, 22984), (4420, 20566), (4520, 20111), (4732, 19210), (4760, 19097), (5746, 15820), (5876, 15470), (5915, 15368), (6188, 14690), (6328, 14365), (6760, 13447), (7345, 12376), (7684, 11830), (7735, 11752), (7910, 11492), (8840, 10283), (9464, 9605)]