28455960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 103420800

約数和(自身を除く): 74964840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 29, 30, 34, 37, 39, 40, 51, 52, 58, 60, 65, 68, 74, 78, 85, 87, 102, 104, 111, 116, 120, 130, 136, 145, 148, 156, 170, 174, 185, 195, 204, 221, 222, 232, 255, 260, 290, 296, 312, 340, 348, 370, 377, 390, 408, 435, 442, 444, 481, 493, 510, 520, 555, 580, 629, 663, 680, 696, 740, 754, 780, 870, 884, 888, 962, 986, 1020, 1073, 1105, 1110, 1131, 1160, 1258, 1326, 1443, 1479, 1480, 1508, 1560, 1740, 1768, 1885, 1887, 1924, 1972, 2040, 2146, 2210, 2220, 2262, 2405, 2465, 2516, 2652, 2886, 2958, 3016, 3145, 3219, 3315, 3480, 3770, 3774, 3848, 3944, 4292, 4420, 4440, 4524, 4810, 4930, 5032, 5304, 5365, 5655, 5772, 5916, 6290, 6409, 6438, 6630, 7215, 7395, 7540, 7548, 8177, 8584, 8840, 9048, 9435, 9620, 9860, 10730, 11310, 11544, 11832, 12580, 12818, 12876, 13260, 13949, 14430, 14790, 15080, 15096, 16095, 16354, 18241, 18870, 19227, 19240, 19720, 21460, 22620, 24531, 25160, 25636, 25752, 26520, 27898, 28860, 29580, 32045, 32190, 32708, 36482, 37740, 38454, 40885, 41847, 42920, 45240, 49062, 51272, 54723, 55796, 57720, 59160, 64090, 64380, 65416, 69745, 72964, 75480, 76908, 81770, 83694, 91205, 96135, 98124, 109446, 111592, 122655, 128180, 128760, 139490, 145928, 153816, 163540, 167388, 182410, 192270, 196248, 209235, 218892, 237133, 245310, 256360, 273615, 278980, 327080, 334776, 364820, 384540, 418470, 437784, 474266, 490620, 547230, 557960, 711399, 729640, 769080, 836940, 948532, 981240, 1094460, 1185665, 1422798, 1673880, 1897064, 2188920, 2371330, 2845596, 3556995, 4742660, 5691192, 7113990, 9485320, 14227980, 28455960]

約数ペア:

[(1, 28455960), (2, 14227980), (3, 9485320), (4, 7113990), (5, 5691192), (6, 4742660), (8, 3556995), (10, 2845596), (12, 2371330), (13, 2188920), (15, 1897064), (17, 1673880), (20, 1422798), (24, 1185665), (26, 1094460), (29, 981240), (30, 948532), (34, 836940), (37, 769080), (39, 729640), (40, 711399), (51, 557960), (52, 547230), (58, 490620), (60, 474266), (65, 437784), (68, 418470), (74, 384540), (78, 364820), (85, 334776), (87, 327080), (102, 278980), (104, 273615), (111, 256360), (116, 245310), (120, 237133), (130, 218892), (136, 209235), (145, 196248), (148, 192270), (156, 182410), (170, 167388), (174, 163540), (185, 153816), (195, 145928), (204, 139490), (221, 128760), (222, 128180), (232, 122655), (255, 111592), (260, 109446), (290, 98124), (296, 96135), (312, 91205), (340, 83694), (348, 81770), (370, 76908), (377, 75480), (390, 72964), (408, 69745), (435, 65416), (442, 64380), (444, 64090), (481, 59160), (493, 57720), (510, 55796), (520, 54723), (555, 51272), (580, 49062), (629, 45240), (663, 42920), (680, 41847), (696, 40885), (740, 38454), (754, 37740), (780, 36482), (870, 32708), (884, 32190), (888, 32045), (962, 29580), (986, 28860), (1020, 27898), (1073, 26520), (1105, 25752), (1110, 25636), (1131, 25160), (1160, 24531), (1258, 22620), (1326, 21460), (1443, 19720), (1479, 19240), (1480, 19227), (1508, 18870), (1560, 18241), (1740, 16354), (1768, 16095), (1885, 15096), (1887, 15080), (1924, 14790), (1972, 14430), (2040, 13949), (2146, 13260), (2210, 12876), (2220, 12818), (2262, 12580), (2405, 11832), (2465, 11544), (2516, 11310), (2652, 10730), (2886, 9860), (2958, 9620), (3016, 9435), (3145, 9048), (3219, 8840), (3315, 8584), (3480, 8177), (3770, 7548), (3774, 7540), (3848, 7395), (3944, 7215), (4292, 6630), (4420, 6438), (4440, 6409), (4524, 6290), (4810, 5916), (4930, 5772), (5032, 5655), (5304, 5365)]