851697720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25439}}^1$

素因数の和:25490

約数の個数: 128

約数和(自身を含む): 2930688000

約数和(自身を除く): 2078990280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 25439, 33480, 50878, 76317, 101756, 127195, 152634, 203512, 228951, 254390, 305268, 381585, 457902, 508780, 610536, 686853, 763170, 788609, 915804, 1017560, 1144755, 1373706, 1526340, 1577218, 1831608, 2289510, 2365827, 2747412, 3052680, 3154436, 3434265, 3943045, 4579020, 4731654, 5494824, 6308872, 6868530, 7097481, 7886090, 9158040, 9463308, 11829135, 13737060, 14194962, 15772180, 18926616, 21292443, 23658270, 27474120, 28389924, 31544360, 35487405, 42584886, 47316540, 56779848, 70974810, 85169772, 94633080, 106462215, 141949620, 170339544, 212924430, 283899240, 425848860, 851697720]

約数ペア:

[(1, 851697720), (2, 425848860), (3, 283899240), (4, 212924430), (5, 170339544), (6, 141949620), (8, 106462215), (9, 94633080), (10, 85169772), (12, 70974810), (15, 56779848), (18, 47316540), (20, 42584886), (24, 35487405), (27, 31544360), (30, 28389924), (31, 27474120), (36, 23658270), (40, 21292443), (45, 18926616), (54, 15772180), (60, 14194962), (62, 13737060), (72, 11829135), (90, 9463308), (93, 9158040), (108, 7886090), (120, 7097481), (124, 6868530), (135, 6308872), (155, 5494824), (180, 4731654), (186, 4579020), (216, 3943045), (248, 3434265), (270, 3154436), (279, 3052680), (310, 2747412), (360, 2365827), (372, 2289510), (465, 1831608), (540, 1577218), (558, 1526340), (620, 1373706), (744, 1144755), (837, 1017560), (930, 915804), (1080, 788609), (1116, 763170), (1240, 686853), (1395, 610536), (1674, 508780), (1860, 457902), (2232, 381585), (2790, 305268), (3348, 254390), (3720, 228951), (4185, 203512), (5580, 152634), (6696, 127195), (8370, 101756), (11160, 76317), (16740, 50878), (25439, 33480)]