30480440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 72437760

約数和(自身を除く): 41957320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 523, 620, 940, 1046, 1240, 1457, 1880, 2092, 2615, 2914, 4184, 5230, 5828, 7285, 10460, 11656, 14570, 16213, 20920, 24581, 29140, 32426, 49162, 58280, 64852, 81065, 98324, 122905, 129704, 162130, 196648, 245810, 324260, 491620, 648520, 762011, 983240, 1524022, 3048044, 3810055, 6096088, 7620110, 15240220, 30480440]

約数ペア:

[(1, 30480440), (2, 15240220), (4, 7620110), (5, 6096088), (8, 3810055), (10, 3048044), (20, 1524022), (31, 983240), (40, 762011), (47, 648520), (62, 491620), (94, 324260), (124, 245810), (155, 196648), (188, 162130), (235, 129704), (248, 122905), (310, 98324), (376, 81065), (470, 64852), (523, 58280), (620, 49162), (940, 32426), (1046, 29140), (1240, 24581), (1457, 20920), (1880, 16213), (2092, 14570), (2615, 11656), (2914, 10460), (4184, 7285), (5230, 5828)]