1212860180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{53149}}^1$

素因数の和:53328

約数の個数: 48

約数和(自身を含む): 2928777600

約数和(自身を除く): 1715917420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 22820, 53149, 106298, 212596, 265745, 372043, 531490, 744086, 1062980, 1488172, 1860215, 3720430, 7440860, 8663287, 17326574, 34653148, 43316435, 60643009, 86632870, 121286018, 173265740, 242572036, 303215045, 606430090, 1212860180]

約数ペア:

[(1, 1212860180), (2, 606430090), (4, 303215045), (5, 242572036), (7, 173265740), (10, 121286018), (14, 86632870), (20, 60643009), (28, 43316435), (35, 34653148), (70, 17326574), (140, 8663287), (163, 7440860), (326, 3720430), (652, 1860215), (815, 1488172), (1141, 1062980), (1630, 744086), (2282, 531490), (3260, 372043), (4564, 265745), (5705, 212596), (11410, 106298), (22820, 53149)]