321290760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:572

約数の個数: 256

約数和(自身を含む): 1190246400

約数和(自身を除く): 868955640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 41, 42, 56, 57, 60, 70, 76, 82, 84, 95, 105, 114, 120, 123, 133, 140, 152, 164, 168, 190, 205, 210, 228, 246, 266, 280, 285, 287, 328, 380, 399, 410, 420, 456, 491, 492, 532, 570, 574, 615, 665, 760, 779, 798, 820, 840, 861, 982, 984, 1064, 1140, 1148, 1230, 1330, 1435, 1473, 1558, 1596, 1640, 1722, 1964, 1995, 2280, 2296, 2337, 2455, 2460, 2660, 2870, 2946, 3116, 3192, 3437, 3444, 3895, 3928, 3990, 4305, 4674, 4910, 4920, 5320, 5453, 5740, 5892, 6232, 6874, 6888, 7365, 7790, 7980, 8610, 9329, 9348, 9820, 10311, 10906, 11480, 11685, 11784, 13748, 14730, 15580, 15960, 16359, 17185, 17220, 18658, 18696, 19640, 20131, 20622, 21812, 23370, 27265, 27496, 27987, 29460, 31160, 32718, 34370, 34440, 37316, 40262, 41244, 43624, 46645, 46740, 51555, 54530, 55974, 58920, 60393, 65303, 65436, 68740, 74632, 80524, 81795, 82488, 93290, 93480, 100655, 103110, 109060, 111948, 120786, 130606, 130872, 137480, 139935, 140917, 161048, 163590, 186580, 195909, 201310, 206220, 218120, 223896, 241572, 261212, 279870, 281834, 301965, 326515, 327180, 373160, 382489, 391818, 402620, 412440, 422751, 483144, 522424, 559740, 563668, 603930, 653030, 654360, 704585, 764978, 783636, 805240, 845502, 979545, 1119480, 1127336, 1147467, 1207860, 1306060, 1409170, 1529956, 1567272, 1691004, 1912445, 1959090, 2113755, 2294934, 2415720, 2612120, 2677423, 2818340, 3059912, 3382008, 3824890, 3918180, 4227510, 4589868, 5354846, 5636680, 5737335, 7649780, 7836360, 8032269, 8455020, 9179736, 10709692, 11474670, 13387115, 15299560, 16064538, 16910040, 21419384, 22949340, 26774230, 32129076, 40161345, 45898680, 53548460, 64258152, 80322690, 107096920, 160645380, 321290760]

約数ペア:

[(1, 321290760), (2, 160645380), (3, 107096920), (4, 80322690), (5, 64258152), (6, 53548460), (7, 45898680), (8, 40161345), (10, 32129076), (12, 26774230), (14, 22949340), (15, 21419384), (19, 16910040), (20, 16064538), (21, 15299560), (24, 13387115), (28, 11474670), (30, 10709692), (35, 9179736), (38, 8455020), (40, 8032269), (41, 7836360), (42, 7649780), (56, 5737335), (57, 5636680), (60, 5354846), (70, 4589868), (76, 4227510), (82, 3918180), (84, 3824890), (95, 3382008), (105, 3059912), (114, 2818340), (120, 2677423), (123, 2612120), (133, 2415720), (140, 2294934), (152, 2113755), (164, 1959090), (168, 1912445), (190, 1691004), (205, 1567272), (210, 1529956), (228, 1409170), (246, 1306060), (266, 1207860), (280, 1147467), (285, 1127336), (287, 1119480), (328, 979545), (380, 845502), (399, 805240), (410, 783636), (420, 764978), (456, 704585), (491, 654360), (492, 653030), (532, 603930), (570, 563668), (574, 559740), (615, 522424), (665, 483144), (760, 422751), (779, 412440), (798, 402620), (820, 391818), (840, 382489), (861, 373160), (982, 327180), (984, 326515), (1064, 301965), (1140, 281834), (1148, 279870), (1230, 261212), (1330, 241572), (1435, 223896), (1473, 218120), (1558, 206220), (1596, 201310), (1640, 195909), (1722, 186580), (1964, 163590), (1995, 161048), (2280, 140917), (2296, 139935), (2337, 137480), (2455, 130872), (2460, 130606), (2660, 120786), (2870, 111948), (2946, 109060), (3116, 103110), (3192, 100655), (3437, 93480), (3444, 93290), (3895, 82488), (3928, 81795), (3990, 80524), (4305, 74632), (4674, 68740), (4910, 65436), (4920, 65303), (5320, 60393), (5453, 58920), (5740, 55974), (5892, 54530), (6232, 51555), (6874, 46740), (6888, 46645), (7365, 43624), (7790, 41244), (7980, 40262), (8610, 37316), (9329, 34440), (9348, 34370), (9820, 32718), (10311, 31160), (10906, 29460), (11480, 27987), (11685, 27496), (11784, 27265), (13748, 23370), (14730, 21812), (15580, 20622), (15960, 20131), (16359, 19640), (17185, 18696), (17220, 18658)]