890457960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 256

約数和(自身を含む): 3264675840

約数和(自身を除く): 2374217880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 127, 136, 140, 168, 170, 204, 210, 238, 254, 255, 280, 340, 357, 381, 408, 420, 476, 491, 508, 510, 595, 635, 680, 714, 762, 840, 889, 952, 982, 1016, 1020, 1190, 1270, 1428, 1473, 1524, 1778, 1785, 1905, 1964, 2040, 2159, 2380, 2455, 2540, 2667, 2856, 2946, 3048, 3437, 3556, 3570, 3810, 3928, 4318, 4445, 4760, 4910, 5080, 5334, 5892, 6477, 6874, 7112, 7140, 7365, 7620, 8347, 8636, 8890, 9820, 10311, 10668, 10795, 11784, 12954, 13335, 13748, 14280, 14730, 15113, 15240, 16694, 17185, 17272, 17780, 19640, 20622, 21336, 21590, 25041, 25908, 26670, 27496, 29460, 30226, 32385, 33388, 34370, 35560, 41244, 41735, 43180, 45339, 50082, 51555, 51816, 53340, 58429, 58920, 60452, 62357, 64770, 66776, 68740, 75565, 82488, 83470, 86360, 90678, 100164, 103110, 106680, 116858, 120904, 124714, 125205, 129540, 137480, 151130, 166940, 175287, 181356, 187071, 200328, 206220, 226695, 233716, 249428, 250410, 259080, 292145, 302260, 311785, 333880, 350574, 362712, 374142, 412440, 436499, 453390, 467432, 498856, 500820, 584290, 604520, 623570, 701148, 748284, 872998, 876435, 906780, 935355, 1001640, 1060069, 1168580, 1247140, 1309497, 1402296, 1496568, 1745996, 1752870, 1813560, 1870710, 2120138, 2182495, 2337160, 2494280, 2618994, 3180207, 3491992, 3505740, 3741420, 4240276, 4364990, 5237988, 5300345, 6360414, 6547485, 7011480, 7420483, 7482840, 8480552, 8729980, 10475976, 10600690, 12720828, 13094970, 14840966, 15901035, 17459960, 21201380, 22261449, 25441656, 26189940, 29681932, 31802070, 37102415, 42402760, 44522898, 52379880, 59363864, 63604140, 74204830, 89045796, 111307245, 127208280, 148409660, 178091592, 222614490, 296819320, 445228980, 890457960]

約数ペア:

[(1, 890457960), (2, 445228980), (3, 296819320), (4, 222614490), (5, 178091592), (6, 148409660), (7, 127208280), (8, 111307245), (10, 89045796), (12, 74204830), (14, 63604140), (15, 59363864), (17, 52379880), (20, 44522898), (21, 42402760), (24, 37102415), (28, 31802070), (30, 29681932), (34, 26189940), (35, 25441656), (40, 22261449), (42, 21201380), (51, 17459960), (56, 15901035), (60, 14840966), (68, 13094970), (70, 12720828), (84, 10600690), (85, 10475976), (102, 8729980), (105, 8480552), (119, 7482840), (120, 7420483), (127, 7011480), (136, 6547485), (140, 6360414), (168, 5300345), (170, 5237988), (204, 4364990), (210, 4240276), (238, 3741420), (254, 3505740), (255, 3491992), (280, 3180207), (340, 2618994), (357, 2494280), (381, 2337160), (408, 2182495), (420, 2120138), (476, 1870710), (491, 1813560), (508, 1752870), (510, 1745996), (595, 1496568), (635, 1402296), (680, 1309497), (714, 1247140), (762, 1168580), (840, 1060069), (889, 1001640), (952, 935355), (982, 906780), (1016, 876435), (1020, 872998), (1190, 748284), (1270, 701148), (1428, 623570), (1473, 604520), (1524, 584290), (1778, 500820), (1785, 498856), (1905, 467432), (1964, 453390), (2040, 436499), (2159, 412440), (2380, 374142), (2455, 362712), (2540, 350574), (2667, 333880), (2856, 311785), (2946, 302260), (3048, 292145), (3437, 259080), (3556, 250410), (3570, 249428), (3810, 233716), (3928, 226695), (4318, 206220), (4445, 200328), (4760, 187071), (4910, 181356), (5080, 175287), (5334, 166940), (5892, 151130), (6477, 137480), (6874, 129540), (7112, 125205), (7140, 124714), (7365, 120904), (7620, 116858), (8347, 106680), (8636, 103110), (8890, 100164), (9820, 90678), (10311, 86360), (10668, 83470), (10795, 82488), (11784, 75565), (12954, 68740), (13335, 66776), (13748, 64770), (14280, 62357), (14730, 60452), (15113, 58920), (15240, 58429), (16694, 53340), (17185, 51816), (17272, 51555), (17780, 50082), (19640, 45339), (20622, 43180), (21336, 41735), (21590, 41244), (25041, 35560), (25908, 34370), (26670, 33388), (27496, 32385), (29460, 30226)]