15240220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 33804288

約数和(自身を除く): 18564068

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 523, 620, 940, 1046, 1457, 2092, 2615, 2914, 5230, 5828, 7285, 10460, 14570, 16213, 24581, 29140, 32426, 49162, 64852, 81065, 98324, 122905, 162130, 245810, 324260, 491620, 762011, 1524022, 3048044, 3810055, 7620110, 15240220]

約数ペア:

[(1, 15240220), (2, 7620110), (4, 3810055), (5, 3048044), (10, 1524022), (20, 762011), (31, 491620), (47, 324260), (62, 245810), (94, 162130), (124, 122905), (155, 98324), (188, 81065), (235, 64852), (310, 49162), (470, 32426), (523, 29140), (620, 24581), (940, 16213), (1046, 14570), (1457, 10460), (2092, 7285), (2615, 5828), (2914, 5230)]