157861920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 518337792

約数和(自身を除く): 360475872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 103, 120, 124, 155, 160, 186, 206, 240, 248, 309, 310, 372, 412, 465, 480, 496, 515, 618, 620, 744, 824, 930, 992, 1030, 1236, 1240, 1488, 1545, 1648, 1860, 2060, 2472, 2480, 2976, 3090, 3193, 3296, 3720, 4120, 4944, 4960, 6180, 6386, 7440, 8240, 9579, 9888, 10609, 12360, 12772, 14880, 15965, 16480, 19158, 21218, 24720, 25544, 31827, 31930, 38316, 42436, 47895, 49440, 51088, 53045, 63654, 63860, 76632, 84872, 95790, 102176, 106090, 127308, 127720, 153264, 159135, 169744, 191580, 212180, 254616, 255440, 306528, 318270, 328879, 339488, 383160, 424360, 509232, 510880, 636540, 657758, 766320, 848720, 986637, 1018464, 1273080, 1315516, 1532640, 1644395, 1697440, 1973274, 2546160, 2631032, 3288790, 3946548, 4933185, 5092320, 5262064, 6577580, 7893096, 9866370, 10524128, 13155160, 15786192, 19732740, 26310320, 31572384, 39465480, 52620640, 78930960, 157861920]

約数ペア:

[(1, 157861920), (2, 78930960), (3, 52620640), (4, 39465480), (5, 31572384), (6, 26310320), (8, 19732740), (10, 15786192), (12, 13155160), (15, 10524128), (16, 9866370), (20, 7893096), (24, 6577580), (30, 5262064), (31, 5092320), (32, 4933185), (40, 3946548), (48, 3288790), (60, 2631032), (62, 2546160), (80, 1973274), (93, 1697440), (96, 1644395), (103, 1532640), (120, 1315516), (124, 1273080), (155, 1018464), (160, 986637), (186, 848720), (206, 766320), (240, 657758), (248, 636540), (309, 510880), (310, 509232), (372, 424360), (412, 383160), (465, 339488), (480, 328879), (496, 318270), (515, 306528), (618, 255440), (620, 254616), (744, 212180), (824, 191580), (930, 169744), (992, 159135), (1030, 153264), (1236, 127720), (1240, 127308), (1488, 106090), (1545, 102176), (1648, 95790), (1860, 84872), (2060, 76632), (2472, 63860), (2480, 63654), (2976, 53045), (3090, 51088), (3193, 49440), (3296, 47895), (3720, 42436), (4120, 38316), (4944, 31930), (4960, 31827), (6180, 25544), (6386, 24720), (7440, 21218), (8240, 19158), (9579, 16480), (9888, 15965), (10609, 14880), (12360, 12772)]