65990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{274961}}^1$

素因数の和:274977

約数の個数: 40

約数和(自身を含む): 204571728

約数和(自身を除く): 138581088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 274961, 549922, 824883, 1099844, 1374805, 1649766, 2199688, 2749610, 3299532, 4124415, 4399376, 5499220, 6599064, 8248830, 10998440, 13198128, 16497660, 21996880, 32995320, 65990640]

約数ペア:

[(1, 65990640), (2, 32995320), (3, 21996880), (4, 16497660), (5, 13198128), (6, 10998440), (8, 8248830), (10, 6599064), (12, 5499220), (15, 4399376), (16, 4124415), (20, 3299532), (24, 2749610), (30, 2199688), (40, 1649766), (48, 1374805), (60, 1099844), (80, 824883), (120, 549922), (240, 274961)]