31428150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 85494528

約数和(自身を除く): 54066378

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 71, 75, 78, 130, 142, 150, 195, 213, 227, 325, 355, 390, 426, 454, 650, 681, 710, 923, 975, 1065, 1135, 1362, 1775, 1846, 1950, 2130, 2270, 2769, 2951, 3405, 3550, 4615, 5325, 5538, 5675, 5902, 6810, 8853, 9230, 10650, 11350, 13845, 14755, 16117, 17025, 17706, 23075, 27690, 29510, 32234, 34050, 44265, 46150, 48351, 69225, 73775, 80585, 88530, 96702, 138450, 147550, 161170, 209521, 221325, 241755, 402925, 419042, 442650, 483510, 628563, 805850, 1047605, 1208775, 1257126, 2095210, 2417550, 3142815, 5238025, 6285630, 10476050, 15714075, 31428150]

約数ペア:

[(1, 31428150), (2, 15714075), (3, 10476050), (5, 6285630), (6, 5238025), (10, 3142815), (13, 2417550), (15, 2095210), (25, 1257126), (26, 1208775), (30, 1047605), (39, 805850), (50, 628563), (65, 483510), (71, 442650), (75, 419042), (78, 402925), (130, 241755), (142, 221325), (150, 209521), (195, 161170), (213, 147550), (227, 138450), (325, 96702), (355, 88530), (390, 80585), (426, 73775), (454, 69225), (650, 48351), (681, 46150), (710, 44265), (923, 34050), (975, 32234), (1065, 29510), (1135, 27690), (1362, 23075), (1775, 17706), (1846, 17025), (1950, 16117), (2130, 14755), (2270, 13845), (2769, 11350), (2951, 10650), (3405, 9230), (3550, 8853), (4615, 6810), (5325, 5902), (5538, 5675)]