80718480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1669

約数の個数: 120

約数和(自身を含む): 275071680

約数和(自身を除く): 194353200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1579, 1704, 2130, 2556, 2840, 3158, 3195, 3408, 4260, 4737, 5112, 5680, 6316, 6390, 7895, 8520, 9474, 10224, 12632, 12780, 14211, 15790, 17040, 18948, 23685, 25264, 25560, 28422, 31580, 37896, 47370, 51120, 56844, 63160, 71055, 75792, 94740, 112109, 113688, 126320, 142110, 189480, 224218, 227376, 284220, 336327, 378960, 448436, 560545, 568440, 672654, 896872, 1008981, 1121090, 1136880, 1345308, 1681635, 1793744, 2017962, 2242180, 2690616, 3363270, 4035924, 4484360, 5044905, 5381232, 6726540, 8071848, 8968720, 10089810, 13453080, 16143696, 20179620, 26906160, 40359240, 80718480]

約数ペア:

[(1, 80718480), (2, 40359240), (3, 26906160), (4, 20179620), (5, 16143696), (6, 13453080), (8, 10089810), (9, 8968720), (10, 8071848), (12, 6726540), (15, 5381232), (16, 5044905), (18, 4484360), (20, 4035924), (24, 3363270), (30, 2690616), (36, 2242180), (40, 2017962), (45, 1793744), (48, 1681635), (60, 1345308), (71, 1136880), (72, 1121090), (80, 1008981), (90, 896872), (120, 672654), (142, 568440), (144, 560545), (180, 448436), (213, 378960), (240, 336327), (284, 284220), (355, 227376), (360, 224218), (426, 189480), (568, 142110), (639, 126320), (710, 113688), (720, 112109), (852, 94740), (1065, 75792), (1136, 71055), (1278, 63160), (1420, 56844), (1579, 51120), (1704, 47370), (2130, 37896), (2556, 31580), (2840, 28422), (3158, 25560), (3195, 25264), (3408, 23685), (4260, 18948), (4737, 17040), (5112, 15790), (5680, 14211), (6316, 12780), (6390, 12632), (7895, 10224), (8520, 9474)]