15794220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20249}}^1$

素因数の和:20274

約数の個数: 48

約数和(自身を含む): 47628000

約数和(自身を除く): 31833780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20249, 40498, 60747, 80996, 101245, 121494, 202490, 242988, 263237, 303735, 404980, 526474, 607470, 789711, 1052948, 1214940, 1316185, 1579422, 2632370, 3158844, 3948555, 5264740, 7897110, 15794220]

約数ペア:

[(1, 15794220), (2, 7897110), (3, 5264740), (4, 3948555), (5, 3158844), (6, 2632370), (10, 1579422), (12, 1316185), (13, 1214940), (15, 1052948), (20, 789711), (26, 607470), (30, 526474), (39, 404980), (52, 303735), (60, 263237), (65, 242988), (78, 202490), (130, 121494), (156, 101245), (195, 80996), (260, 60747), (390, 40498), (780, 20249)]