180636540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61441}}^1$

素因数の和:61467

約数の個数: 72

約数和(自身を含む): 588368592

約数和(自身を除く): 407732052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61441, 122882, 184323, 245764, 307205, 368646, 430087, 614410, 737292, 860174, 921615, 1228820, 1290261, 1720348, 1843230, 2150435, 2580522, 3010609, 3686460, 4300870, 5161044, 6021218, 6451305, 8601740, 9031827, 12042436, 12902610, 15053045, 18063654, 25805220, 30106090, 36127308, 45159135, 60212180, 90318270, 180636540]

約数ペア:

[(1, 180636540), (2, 90318270), (3, 60212180), (4, 45159135), (5, 36127308), (6, 30106090), (7, 25805220), (10, 18063654), (12, 15053045), (14, 12902610), (15, 12042436), (20, 9031827), (21, 8601740), (28, 6451305), (30, 6021218), (35, 5161044), (42, 4300870), (49, 3686460), (60, 3010609), (70, 2580522), (84, 2150435), (98, 1843230), (105, 1720348), (140, 1290261), (147, 1228820), (196, 921615), (210, 860174), (245, 737292), (294, 614410), (420, 430087), (490, 368646), (588, 307205), (735, 245764), (980, 184323), (1470, 122882), (2940, 61441)]