28859880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 256

約数和(自身を含む): 109486080

約数和(自身を除く): 80626200

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, 43, 47, 51, 56, 60, 68, 70, 84, 85, 86, 94, 102, 105, 119, 120, 129, 136, 140, 141, 168, 170, 172, 188, 204, 210, 215, 235, 238, 255, 258, 280, 282, 301, 329, 340, 344, 357, 376, 408, 420, 430, 470, 476, 510, 516, 564, 595, 602, 645, 658, 680, 705, 714, 731, 799, 840, 860, 903, 940, 952, 987, 1020, 1032, 1128, 1190, 1204, 1290, 1316, 1410, 1428, 1462, 1505, 1598, 1645, 1720, 1785, 1806, 1880, 1974, 2021, 2040, 2193, 2380, 2397, 2408, 2580, 2632, 2820, 2856, 2924, 3010, 3196, 3290, 3570, 3612, 3655, 3948, 3995, 4042, 4386, 4515, 4760, 4794, 4935, 5117, 5160, 5593, 5640, 5848, 6020, 6063, 6392, 6580, 7140, 7224, 7310, 7896, 7990, 8084, 8772, 9030, 9588, 9870, 10105, 10234, 10965, 11186, 11985, 12040, 12126, 13160, 14147, 14280, 14620, 15351, 15980, 16168, 16779, 17544, 18060, 19176, 19740, 20210, 20468, 21930, 22372, 23970, 24252, 25585, 27965, 28294, 29240, 30315, 30702, 31960, 33558, 34357, 36120, 39480, 40420, 40936, 42441, 43860, 44744, 47940, 48504, 51170, 55930, 56588, 60630, 61404, 67116, 68714, 70735, 76755, 80840, 83895, 84882, 87720, 95880, 102340, 103071, 111860, 113176, 121260, 122808, 134232, 137428, 141470, 153510, 167790, 169764, 171785, 204680, 206142, 212205, 223720, 240499, 242520, 274856, 282940, 307020, 335580, 339528, 343570, 412284, 424410, 480998, 515355, 565880, 614040, 671160, 687140, 721497, 824568, 848820, 961996, 1030710, 1202495, 1374280, 1442994, 1697640, 1923992, 2061420, 2404990, 2885988, 3607485, 4122840, 4809980, 5771976, 7214970, 9619960, 14429940, 28859880]

約数ペア:

[(1, 28859880), (2, 14429940), (3, 9619960), (4, 7214970), (5, 5771976), (6, 4809980), (7, 4122840), (8, 3607485), (10, 2885988), (12, 2404990), (14, 2061420), (15, 1923992), (17, 1697640), (20, 1442994), (21, 1374280), (24, 1202495), (28, 1030710), (30, 961996), (34, 848820), (35, 824568), (40, 721497), (42, 687140), (43, 671160), (47, 614040), (51, 565880), (56, 515355), (60, 480998), (68, 424410), (70, 412284), (84, 343570), (85, 339528), (86, 335580), (94, 307020), (102, 282940), (105, 274856), (119, 242520), (120, 240499), (129, 223720), (136, 212205), (140, 206142), (141, 204680), (168, 171785), (170, 169764), (172, 167790), (188, 153510), (204, 141470), (210, 137428), (215, 134232), (235, 122808), (238, 121260), (255, 113176), (258, 111860), (280, 103071), (282, 102340), (301, 95880), (329, 87720), (340, 84882), (344, 83895), (357, 80840), (376, 76755), (408, 70735), (420, 68714), (430, 67116), (470, 61404), (476, 60630), (510, 56588), (516, 55930), (564, 51170), (595, 48504), (602, 47940), (645, 44744), (658, 43860), (680, 42441), (705, 40936), (714, 40420), (731, 39480), (799, 36120), (840, 34357), (860, 33558), (903, 31960), (940, 30702), (952, 30315), (987, 29240), (1020, 28294), (1032, 27965), (1128, 25585), (1190, 24252), (1204, 23970), (1290, 22372), (1316, 21930), (1410, 20468), (1428, 20210), (1462, 19740), (1505, 19176), (1598, 18060), (1645, 17544), (1720, 16779), (1785, 16168), (1806, 15980), (1880, 15351), (1974, 14620), (2021, 14280), (2040, 14147), (2193, 13160), (2380, 12126), (2397, 12040), (2408, 11985), (2580, 11186), (2632, 10965), (2820, 10234), (2856, 10105), (2924, 9870), (3010, 9588), (3196, 9030), (3290, 8772), (3570, 8084), (3612, 7990), (3655, 7896), (3948, 7310), (3995, 7224), (4042, 7140), (4386, 6580), (4515, 6392), (4760, 6063), (4794, 6020), (4935, 5848), (5117, 5640), (5160, 5593)]