810165720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 256

約数和(自身を含む): 3015936000

約数和(自身を除く): 2205770280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 169, 182, 195, 210, 260, 273, 280, 312, 338, 364, 390, 420, 439, 455, 507, 520, 546, 676, 728, 780, 840, 845, 878, 910, 1014, 1092, 1183, 1317, 1352, 1365, 1560, 1690, 1756, 1820, 2028, 2184, 2195, 2197, 2366, 2535, 2634, 2730, 3073, 3380, 3512, 3549, 3640, 4056, 4390, 4394, 4732, 5070, 5268, 5460, 5707, 5915, 6146, 6585, 6591, 6760, 7098, 8780, 8788, 9219, 9464, 10140, 10536, 10920, 10985, 11414, 11830, 12292, 13170, 13182, 14196, 15365, 15379, 17121, 17560, 17576, 17745, 18438, 20280, 21970, 22828, 23660, 24584, 26340, 26364, 28392, 28535, 30730, 30758, 32955, 34242, 35490, 36876, 39949, 43940, 45656, 46095, 46137, 47320, 52680, 52728, 57070, 61460, 61516, 65910, 68484, 70980, 73752, 74191, 76895, 79898, 85605, 87880, 92190, 92274, 114140, 119847, 122920, 123032, 131820, 136968, 141960, 148382, 153790, 159796, 171210, 184380, 184548, 199745, 222573, 228280, 230685, 239694, 263640, 296764, 307580, 319592, 342420, 368760, 369096, 370955, 399490, 445146, 461370, 479388, 519337, 593528, 599235, 615160, 684840, 741910, 798980, 890292, 922740, 958776, 964483, 1038674, 1112865, 1198470, 1483820, 1558011, 1597960, 1780584, 1845480, 1928966, 2077348, 2225730, 2396940, 2596685, 2893449, 2967640, 3116022, 3857932, 4154696, 4451460, 4793880, 4822415, 5193370, 5786898, 6232044, 6751381, 7715864, 7790055, 8902920, 9644830, 10386740, 11573796, 12464088, 13502762, 14467245, 15580110, 19289660, 20254143, 20773480, 23147592, 27005524, 28934490, 31160220, 33756905, 38579320, 40508286, 54011048, 57868980, 62320440, 67513810, 81016572, 101270715, 115737960, 135027620, 162033144, 202541430, 270055240, 405082860, 810165720]

約数ペア:

[(1, 810165720), (2, 405082860), (3, 270055240), (4, 202541430), (5, 162033144), (6, 135027620), (7, 115737960), (8, 101270715), (10, 81016572), (12, 67513810), (13, 62320440), (14, 57868980), (15, 54011048), (20, 40508286), (21, 38579320), (24, 33756905), (26, 31160220), (28, 28934490), (30, 27005524), (35, 23147592), (39, 20773480), (40, 20254143), (42, 19289660), (52, 15580110), (56, 14467245), (60, 13502762), (65, 12464088), (70, 11573796), (78, 10386740), (84, 9644830), (91, 8902920), (104, 7790055), (105, 7715864), (120, 6751381), (130, 6232044), (140, 5786898), (156, 5193370), (168, 4822415), (169, 4793880), (182, 4451460), (195, 4154696), (210, 3857932), (260, 3116022), (273, 2967640), (280, 2893449), (312, 2596685), (338, 2396940), (364, 2225730), (390, 2077348), (420, 1928966), (439, 1845480), (455, 1780584), (507, 1597960), (520, 1558011), (546, 1483820), (676, 1198470), (728, 1112865), (780, 1038674), (840, 964483), (845, 958776), (878, 922740), (910, 890292), (1014, 798980), (1092, 741910), (1183, 684840), (1317, 615160), (1352, 599235), (1365, 593528), (1560, 519337), (1690, 479388), (1756, 461370), (1820, 445146), (2028, 399490), (2184, 370955), (2195, 369096), (2197, 368760), (2366, 342420), (2535, 319592), (2634, 307580), (2730, 296764), (3073, 263640), (3380, 239694), (3512, 230685), (3549, 228280), (3640, 222573), (4056, 199745), (4390, 184548), (4394, 184380), (4732, 171210), (5070, 159796), (5268, 153790), (5460, 148382), (5707, 141960), (5915, 136968), (6146, 131820), (6585, 123032), (6591, 122920), (6760, 119847), (7098, 114140), (8780, 92274), (8788, 92190), (9219, 87880), (9464, 85605), (10140, 79898), (10536, 76895), (10920, 74191), (10985, 73752), (11414, 70980), (11830, 68484), (12292, 65910), (13170, 61516), (13182, 61460), (14196, 57070), (15365, 52728), (15379, 52680), (17121, 47320), (17560, 46137), (17576, 46095), (17745, 45656), (18438, 43940), (20280, 39949), (21970, 36876), (22828, 35490), (23660, 34242), (24584, 32955), (26340, 30758), (26364, 30730), (28392, 28535)]