1431780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{487}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 4673088

約数和(自身を除く): 3241308

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, 487, 490, 588, 735, 974, 980, 1461, 1470, 1948, 2435, 2922, 2940, 3409, 4870, 5844, 6818, 7305, 9740, 10227, 13636, 14610, 17045, 20454, 23863, 29220, 34090, 40908, 47726, 51135, 68180, 71589, 95452, 102270, 119315, 143178, 204540, 238630, 286356, 357945, 477260, 715890, 1431780]

約数ペア:

[(1, 1431780), (2, 715890), (3, 477260), (4, 357945), (5, 286356), (6, 238630), (7, 204540), (10, 143178), (12, 119315), (14, 102270), (15, 95452), (20, 71589), (21, 68180), (28, 51135), (30, 47726), (35, 40908), (42, 34090), (49, 29220), (60, 23863), (70, 20454), (84, 17045), (98, 14610), (105, 13636), (140, 10227), (147, 9740), (196, 7305), (210, 6818), (245, 5844), (294, 4870), (420, 3409), (487, 2940), (490, 2922), (588, 2435), (735, 1948), (974, 1470), (980, 1461)]