161744040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{49921}}^1$

素因数の和:49944

約数の個数: 80

約数和(自身を含む): 543650580

約数和(自身を除く): 381906540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 49921, 99842, 149763, 199684, 249605, 299526, 399368, 449289, 499210, 599052, 748815, 898578, 998420, 1198104, 1347867, 1497630, 1797156, 1996840, 2246445, 2695734, 2995260, 3594312, 4043601, 4492890, 5391468, 5990520, 6739335, 8087202, 8985780, 10782936, 13478670, 16174404, 17971560, 20218005, 26957340, 32348808, 40436010, 53914680, 80872020, 161744040]

約数ペア:

[(1, 161744040), (2, 80872020), (3, 53914680), (4, 40436010), (5, 32348808), (6, 26957340), (8, 20218005), (9, 17971560), (10, 16174404), (12, 13478670), (15, 10782936), (18, 8985780), (20, 8087202), (24, 6739335), (27, 5990520), (30, 5391468), (36, 4492890), (40, 4043601), (45, 3594312), (54, 2995260), (60, 2695734), (72, 2246445), (81, 1996840), (90, 1797156), (108, 1497630), (120, 1347867), (135, 1198104), (162, 998420), (180, 898578), (216, 748815), (270, 599052), (324, 499210), (360, 449289), (405, 399368), (540, 299526), (648, 249605), (810, 199684), (1080, 149763), (1620, 99842), (3240, 49921)]