31253880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1333

約数の個数: 128

約数和(自身を含む): 110937600

約数和(自身を除く): 79683720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1283, 1624, 1740, 2030, 2436, 2566, 3045, 3480, 3849, 4060, 4872, 5132, 6090, 6415, 7698, 8120, 8981, 10264, 12180, 12830, 15396, 17962, 19245, 24360, 25660, 26943, 30792, 35924, 37207, 38490, 44905, 51320, 53886, 71848, 74414, 76980, 89810, 107772, 111621, 134715, 148828, 153960, 179620, 186035, 215544, 223242, 260449, 269430, 297656, 359240, 372070, 446484, 520898, 538860, 558105, 744140, 781347, 892968, 1041796, 1077720, 1116210, 1302245, 1488280, 1562694, 2083592, 2232420, 2604490, 3125388, 3906735, 4464840, 5208980, 6250776, 7813470, 10417960, 15626940, 31253880]

約数ペア:

[(1, 31253880), (2, 15626940), (3, 10417960), (4, 7813470), (5, 6250776), (6, 5208980), (7, 4464840), (8, 3906735), (10, 3125388), (12, 2604490), (14, 2232420), (15, 2083592), (20, 1562694), (21, 1488280), (24, 1302245), (28, 1116210), (29, 1077720), (30, 1041796), (35, 892968), (40, 781347), (42, 744140), (56, 558105), (58, 538860), (60, 520898), (70, 446484), (84, 372070), (87, 359240), (105, 297656), (116, 269430), (120, 260449), (140, 223242), (145, 215544), (168, 186035), (174, 179620), (203, 153960), (210, 148828), (232, 134715), (280, 111621), (290, 107772), (348, 89810), (406, 76980), (420, 74414), (435, 71848), (580, 53886), (609, 51320), (696, 44905), (812, 38490), (840, 37207), (870, 35924), (1015, 30792), (1160, 26943), (1218, 25660), (1283, 24360), (1624, 19245), (1740, 17962), (2030, 15396), (2436, 12830), (2566, 12180), (3045, 10264), (3480, 8981), (3849, 8120), (4060, 7698), (4872, 6415), (5132, 6090)]