68439960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 241094880

約数和(自身を除く): 172654920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 53, 60, 68, 72, 85, 90, 102, 106, 120, 136, 153, 159, 170, 180, 204, 211, 212, 255, 265, 306, 318, 340, 360, 408, 422, 424, 477, 510, 530, 612, 633, 636, 680, 765, 795, 844, 901, 954, 1020, 1055, 1060, 1224, 1266, 1272, 1530, 1590, 1688, 1802, 1899, 1908, 2040, 2110, 2120, 2385, 2532, 2703, 3060, 3165, 3180, 3587, 3604, 3798, 3816, 4220, 4505, 4770, 5064, 5406, 6120, 6330, 6360, 7174, 7208, 7596, 8109, 8440, 9010, 9495, 9540, 10761, 10812, 11183, 12660, 13515, 14348, 15192, 16218, 17935, 18020, 18990, 19080, 21522, 21624, 22366, 25320, 27030, 28696, 32283, 32436, 33549, 35870, 36040, 37980, 40545, 43044, 44732, 53805, 54060, 55915, 64566, 64872, 67098, 71740, 75960, 81090, 86088, 89464, 100647, 107610, 108120, 111830, 129132, 134196, 143480, 161415, 162180, 167745, 190111, 201294, 215220, 223660, 258264, 268392, 322830, 324360, 335490, 380222, 402588, 430440, 447320, 503235, 570333, 645660, 670980, 760444, 805176, 950555, 1006470, 1140666, 1291320, 1341960, 1520888, 1710999, 1901110, 2012940, 2281332, 2851665, 3421998, 3802220, 4025880, 4562664, 5703330, 6843996, 7604440, 8554995, 11406660, 13687992, 17109990, 22813320, 34219980, 68439960]

約数ペア:

[(1, 68439960), (2, 34219980), (3, 22813320), (4, 17109990), (5, 13687992), (6, 11406660), (8, 8554995), (9, 7604440), (10, 6843996), (12, 5703330), (15, 4562664), (17, 4025880), (18, 3802220), (20, 3421998), (24, 2851665), (30, 2281332), (34, 2012940), (36, 1901110), (40, 1710999), (45, 1520888), (51, 1341960), (53, 1291320), (60, 1140666), (68, 1006470), (72, 950555), (85, 805176), (90, 760444), (102, 670980), (106, 645660), (120, 570333), (136, 503235), (153, 447320), (159, 430440), (170, 402588), (180, 380222), (204, 335490), (211, 324360), (212, 322830), (255, 268392), (265, 258264), (306, 223660), (318, 215220), (340, 201294), (360, 190111), (408, 167745), (422, 162180), (424, 161415), (477, 143480), (510, 134196), (530, 129132), (612, 111830), (633, 108120), (636, 107610), (680, 100647), (765, 89464), (795, 86088), (844, 81090), (901, 75960), (954, 71740), (1020, 67098), (1055, 64872), (1060, 64566), (1224, 55915), (1266, 54060), (1272, 53805), (1530, 44732), (1590, 43044), (1688, 40545), (1802, 37980), (1899, 36040), (1908, 35870), (2040, 33549), (2110, 32436), (2120, 32283), (2385, 28696), (2532, 27030), (2703, 25320), (3060, 22366), (3165, 21624), (3180, 21522), (3587, 19080), (3604, 18990), (3798, 18020), (3816, 17935), (4220, 16218), (4505, 15192), (4770, 14348), (5064, 13515), (5406, 12660), (6120, 11183), (6330, 10812), (6360, 10761), (7174, 9540), (7208, 9495), (7596, 9010), (8109, 8440)]