1971420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 6289920

約数和(自身を除く): 4318500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 103, 110, 116, 132, 145, 165, 174, 206, 220, 290, 309, 319, 330, 348, 412, 435, 515, 580, 618, 638, 660, 870, 957, 1030, 1133, 1236, 1276, 1545, 1595, 1740, 1914, 2060, 2266, 2987, 3090, 3190, 3399, 3828, 4532, 4785, 5665, 5974, 6180, 6380, 6798, 8961, 9570, 11330, 11948, 13596, 14935, 16995, 17922, 19140, 22660, 29870, 32857, 33990, 35844, 44805, 59740, 65714, 67980, 89610, 98571, 131428, 164285, 179220, 197142, 328570, 394284, 492855, 657140, 985710, 1971420]

約数ペア:

[(1, 1971420), (2, 985710), (3, 657140), (4, 492855), (5, 394284), (6, 328570), (10, 197142), (11, 179220), (12, 164285), (15, 131428), (20, 98571), (22, 89610), (29, 67980), (30, 65714), (33, 59740), (44, 44805), (55, 35844), (58, 33990), (60, 32857), (66, 29870), (87, 22660), (103, 19140), (110, 17922), (116, 16995), (132, 14935), (145, 13596), (165, 11948), (174, 11330), (206, 9570), (220, 8961), (290, 6798), (309, 6380), (319, 6180), (330, 5974), (348, 5665), (412, 4785), (435, 4532), (515, 3828), (580, 3399), (618, 3190), (638, 3090), (660, 2987), (870, 2266), (957, 2060), (1030, 1914), (1133, 1740), (1236, 1595), (1276, 1545)]