1339440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5581}}^1$

素因数の和:5597

約数の個数: 40

約数和(自身を含む): 4153008

約数和(自身を除く): 2813568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5581, 11162, 16743, 22324, 27905, 33486, 44648, 55810, 66972, 83715, 89296, 111620, 133944, 167430, 223240, 267888, 334860, 446480, 669720, 1339440]

約数ペア:

[(1, 1339440), (2, 669720), (3, 446480), (4, 334860), (5, 267888), (6, 223240), (8, 167430), (10, 133944), (12, 111620), (15, 89296), (16, 83715), (20, 66972), (24, 55810), (30, 44648), (40, 33486), (48, 27905), (60, 22324), (80, 16743), (120, 11162), (240, 5581)]