279437220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 880239360

約数和(自身を除く): 600802140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 129, 158, 172, 180, 215, 237, 258, 316, 387, 395, 430, 457, 474, 516, 645, 711, 774, 790, 860, 914, 948, 1185, 1290, 1371, 1422, 1548, 1580, 1828, 1935, 2285, 2370, 2580, 2742, 2844, 3397, 3555, 3870, 4113, 4570, 4740, 5484, 6794, 6855, 7110, 7740, 8226, 9140, 10191, 13588, 13710, 14220, 16452, 16985, 19651, 20382, 20565, 27420, 30573, 33970, 36103, 39302, 40764, 41130, 50955, 58953, 61146, 67940, 72206, 78604, 82260, 98255, 101910, 108309, 117906, 122292, 144412, 152865, 176859, 180515, 196510, 203820, 216618, 235812, 294765, 305730, 324927, 353718, 361030, 393020, 433236, 541545, 589530, 611460, 649854, 707436, 722060, 884295, 1083090, 1179060, 1299708, 1552429, 1624635, 1768590, 2166180, 3104858, 3249270, 3537180, 4657287, 6209716, 6498540, 7762145, 9314574, 13971861, 15524290, 18629148, 23286435, 27943722, 31048580, 46572870, 55887444, 69859305, 93145740, 139718610, 279437220]

約数ペア:

[(1, 279437220), (2, 139718610), (3, 93145740), (4, 69859305), (5, 55887444), (6, 46572870), (9, 31048580), (10, 27943722), (12, 23286435), (15, 18629148), (18, 15524290), (20, 13971861), (30, 9314574), (36, 7762145), (43, 6498540), (45, 6209716), (60, 4657287), (79, 3537180), (86, 3249270), (90, 3104858), (129, 2166180), (158, 1768590), (172, 1624635), (180, 1552429), (215, 1299708), (237, 1179060), (258, 1083090), (316, 884295), (387, 722060), (395, 707436), (430, 649854), (457, 611460), (474, 589530), (516, 541545), (645, 433236), (711, 393020), (774, 361030), (790, 353718), (860, 324927), (914, 305730), (948, 294765), (1185, 235812), (1290, 216618), (1371, 203820), (1422, 196510), (1548, 180515), (1580, 176859), (1828, 152865), (1935, 144412), (2285, 122292), (2370, 117906), (2580, 108309), (2742, 101910), (2844, 98255), (3397, 82260), (3555, 78604), (3870, 72206), (4113, 67940), (4570, 61146), (4740, 58953), (5484, 50955), (6794, 41130), (6855, 40764), (7110, 39302), (7740, 36103), (8226, 33970), (9140, 30573), (10191, 27420), (13588, 20565), (13710, 20382), (14220, 19651), (16452, 16985)]