31386480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6883}}^1$

素因数の和:6918

約数の個数: 80

約数和(自身を含む): 102433920

約数和(自身を除く): 71047440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 6883, 13766, 20649, 27532, 34415, 41298, 55064, 68830, 82596, 103245, 110128, 130777, 137660, 165192, 206490, 261554, 275320, 330384, 392331, 412980, 523108, 550640, 653885, 784662, 825960, 1046216, 1307770, 1569324, 1651920, 1961655, 2092432, 2615540, 3138648, 3923310, 5231080, 6277296, 7846620, 10462160, 15693240, 31386480]

約数ペア:

[(1, 31386480), (2, 15693240), (3, 10462160), (4, 7846620), (5, 6277296), (6, 5231080), (8, 3923310), (10, 3138648), (12, 2615540), (15, 2092432), (16, 1961655), (19, 1651920), (20, 1569324), (24, 1307770), (30, 1046216), (38, 825960), (40, 784662), (48, 653885), (57, 550640), (60, 523108), (76, 412980), (80, 392331), (95, 330384), (114, 275320), (120, 261554), (152, 206490), (190, 165192), (228, 137660), (240, 130777), (285, 110128), (304, 103245), (380, 82596), (456, 68830), (570, 55064), (760, 41298), (912, 34415), (1140, 27532), (1520, 20649), (2280, 13766), (4560, 6883)]