28158120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 100077120

約数和(自身を除く): 71919000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 51, 60, 68, 72, 85, 86, 90, 102, 107, 120, 129, 136, 153, 170, 172, 180, 204, 214, 215, 255, 258, 306, 321, 340, 344, 360, 387, 408, 428, 430, 510, 516, 535, 612, 642, 645, 680, 731, 765, 774, 856, 860, 963, 1020, 1032, 1070, 1224, 1284, 1290, 1462, 1530, 1548, 1605, 1720, 1819, 1926, 1935, 2040, 2140, 2193, 2568, 2580, 2924, 3060, 3096, 3210, 3638, 3655, 3852, 3870, 4280, 4386, 4601, 4815, 5160, 5457, 5848, 6120, 6420, 6579, 7276, 7310, 7704, 7740, 8772, 9095, 9202, 9630, 10914, 10965, 12840, 13158, 13803, 14552, 14620, 15480, 16371, 17544, 18190, 18404, 19260, 21828, 21930, 23005, 26316, 27285, 27606, 29240, 32742, 32895, 36380, 36808, 38520, 41409, 43656, 43860, 46010, 52632, 54570, 55212, 65484, 65790, 69015, 72760, 78217, 81855, 82818, 87720, 92020, 109140, 110424, 130968, 131580, 138030, 156434, 163710, 165636, 184040, 207045, 218280, 234651, 263160, 276060, 312868, 327420, 331272, 391085, 414090, 469302, 552120, 625736, 654840, 703953, 782170, 828180, 938604, 1173255, 1407906, 1564340, 1656360, 1877208, 2346510, 2815812, 3128680, 3519765, 4693020, 5631624, 7039530, 9386040, 14079060, 28158120]

約数ペア:

[(1, 28158120), (2, 14079060), (3, 9386040), (4, 7039530), (5, 5631624), (6, 4693020), (8, 3519765), (9, 3128680), (10, 2815812), (12, 2346510), (15, 1877208), (17, 1656360), (18, 1564340), (20, 1407906), (24, 1173255), (30, 938604), (34, 828180), (36, 782170), (40, 703953), (43, 654840), (45, 625736), (51, 552120), (60, 469302), (68, 414090), (72, 391085), (85, 331272), (86, 327420), (90, 312868), (102, 276060), (107, 263160), (120, 234651), (129, 218280), (136, 207045), (153, 184040), (170, 165636), (172, 163710), (180, 156434), (204, 138030), (214, 131580), (215, 130968), (255, 110424), (258, 109140), (306, 92020), (321, 87720), (340, 82818), (344, 81855), (360, 78217), (387, 72760), (408, 69015), (428, 65790), (430, 65484), (510, 55212), (516, 54570), (535, 52632), (612, 46010), (642, 43860), (645, 43656), (680, 41409), (731, 38520), (765, 36808), (774, 36380), (856, 32895), (860, 32742), (963, 29240), (1020, 27606), (1032, 27285), (1070, 26316), (1224, 23005), (1284, 21930), (1290, 21828), (1462, 19260), (1530, 18404), (1548, 18190), (1605, 17544), (1720, 16371), (1819, 15480), (1926, 14620), (1935, 14552), (2040, 13803), (2140, 13158), (2193, 12840), (2568, 10965), (2580, 10914), (2924, 9630), (3060, 9202), (3096, 9095), (3210, 8772), (3638, 7740), (3655, 7704), (3852, 7310), (3870, 7276), (4280, 6579), (4386, 6420), (4601, 6120), (4815, 5848), (5160, 5457)]