31220760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1723}}^1$

素因数の和:1888

約数の個数: 64

約数和(自身を含む): 94337280

約数和(自身を除く): 63116520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1208, 1510, 1723, 1812, 2265, 3020, 3446, 3624, 4530, 5169, 6040, 6892, 8615, 9060, 10338, 13784, 17230, 18120, 20676, 25845, 34460, 41352, 51690, 68920, 103380, 206760, 260173, 520346, 780519, 1040692, 1300865, 1561038, 2081384, 2601730, 3122076, 3902595, 5203460, 6244152, 7805190, 10406920, 15610380, 31220760]

約数ペア:

[(1, 31220760), (2, 15610380), (3, 10406920), (4, 7805190), (5, 6244152), (6, 5203460), (8, 3902595), (10, 3122076), (12, 2601730), (15, 2081384), (20, 1561038), (24, 1300865), (30, 1040692), (40, 780519), (60, 520346), (120, 260173), (151, 206760), (302, 103380), (453, 68920), (604, 51690), (755, 41352), (906, 34460), (1208, 25845), (1510, 20676), (1723, 18120), (1812, 17230), (2265, 13784), (3020, 10338), (3446, 9060), (3624, 8615), (4530, 6892), (5169, 6040)]