68851620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 224060928

約数和(自身を除く): 155209308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 405, 457, 465, 486, 540, 558, 620, 810, 837, 914, 930, 972, 1116, 1215, 1371, 1395, 1620, 1674, 1828, 1860, 2285, 2430, 2511, 2742, 2790, 3348, 4113, 4185, 4570, 4860, 5022, 5484, 5580, 6855, 7533, 8226, 8370, 9140, 10044, 12339, 12555, 13710, 14167, 15066, 16452, 16740, 20565, 24678, 25110, 27420, 28334, 30132, 37017, 37665, 41130, 42501, 49356, 50220, 56668, 61695, 70835, 74034, 75330, 82260, 85002, 111051, 123390, 127503, 141670, 148068, 150660, 170004, 185085, 212505, 222102, 246780, 255006, 283340, 370170, 382509, 425010, 444204, 510012, 555255, 637515, 740340, 765018, 850020, 1110510, 1147527, 1275030, 1530036, 1912545, 2221020, 2295054, 2550060, 3442581, 3825090, 4590108, 5737635, 6885162, 7650180, 11475270, 13770324, 17212905, 22950540, 34425810, 68851620]

約数ペア:

[(1, 68851620), (2, 34425810), (3, 22950540), (4, 17212905), (5, 13770324), (6, 11475270), (9, 7650180), (10, 6885162), (12, 5737635), (15, 4590108), (18, 3825090), (20, 3442581), (27, 2550060), (30, 2295054), (31, 2221020), (36, 1912545), (45, 1530036), (54, 1275030), (60, 1147527), (62, 1110510), (81, 850020), (90, 765018), (93, 740340), (108, 637515), (124, 555255), (135, 510012), (155, 444204), (162, 425010), (180, 382509), (186, 370170), (243, 283340), (270, 255006), (279, 246780), (310, 222102), (324, 212505), (372, 185085), (405, 170004), (457, 150660), (465, 148068), (486, 141670), (540, 127503), (558, 123390), (620, 111051), (810, 85002), (837, 82260), (914, 75330), (930, 74034), (972, 70835), (1116, 61695), (1215, 56668), (1371, 50220), (1395, 49356), (1620, 42501), (1674, 41130), (1828, 37665), (1860, 37017), (2285, 30132), (2430, 28334), (2511, 27420), (2742, 25110), (2790, 24678), (3348, 20565), (4113, 16740), (4185, 16452), (4570, 15066), (4860, 14167), (5022, 13710), (5484, 12555), (5580, 12339), (6855, 10044), (7533, 9140), (8226, 8370)]