189987720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121787}}^1$

素因数の和:121814

約数の個数: 64

約数和(自身を含む): 613811520

約数和(自身を除く): 423823800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 121787, 243574, 365361, 487148, 608935, 730722, 974296, 1217870, 1461444, 1583231, 1826805, 2435740, 2922888, 3166462, 3653610, 4749693, 4871480, 6332924, 7307220, 7916155, 9499386, 12665848, 14614440, 15832310, 18998772, 23748465, 31664620, 37997544, 47496930, 63329240, 94993860, 189987720]

約数ペア:

[(1, 189987720), (2, 94993860), (3, 63329240), (4, 47496930), (5, 37997544), (6, 31664620), (8, 23748465), (10, 18998772), (12, 15832310), (13, 14614440), (15, 12665848), (20, 9499386), (24, 7916155), (26, 7307220), (30, 6332924), (39, 4871480), (40, 4749693), (52, 3653610), (60, 3166462), (65, 2922888), (78, 2435740), (104, 1826805), (120, 1583231), (130, 1461444), (156, 1217870), (195, 974296), (260, 730722), (312, 608935), (390, 487148), (520, 365361), (780, 243574), (1560, 121787)]