80279220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191141}}^1$

素因数の和:191160

約数の個数: 48

約数和(自身を含む): 256894848

約数和(自身を除く): 176615628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191141, 382282, 573423, 764564, 955705, 1146846, 1337987, 1911410, 2293692, 2675974, 2867115, 3822820, 4013961, 5351948, 5734230, 6689935, 8027922, 11468460, 13379870, 16055844, 20069805, 26759740, 40139610, 80279220]

約数ペア:

[(1, 80279220), (2, 40139610), (3, 26759740), (4, 20069805), (5, 16055844), (6, 13379870), (7, 11468460), (10, 8027922), (12, 6689935), (14, 5734230), (15, 5351948), (20, 4013961), (21, 3822820), (28, 2867115), (30, 2675974), (35, 2293692), (42, 1911410), (60, 1337987), (70, 1146846), (84, 955705), (105, 764564), (140, 573423), (210, 382282), (420, 191141)]