66649180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{887}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 160298208

約数和(自身を除く): 93649028

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 887, 1105, 1156, 1445, 1774, 2210, 2890, 3548, 3757, 4420, 4435, 5780, 7514, 8870, 11531, 15028, 15079, 17740, 18785, 23062, 30158, 37570, 46124, 57655, 60316, 75140, 75395, 115310, 150790, 196027, 230620, 256343, 301580, 392054, 512686, 784108, 980135, 1025372, 1281715, 1960270, 2563430, 3332459, 3920540, 5126860, 6664918, 13329836, 16662295, 33324590, 66649180]

約数ペア:

[(1, 66649180), (2, 33324590), (4, 16662295), (5, 13329836), (10, 6664918), (13, 5126860), (17, 3920540), (20, 3332459), (26, 2563430), (34, 1960270), (52, 1281715), (65, 1025372), (68, 980135), (85, 784108), (130, 512686), (170, 392054), (221, 301580), (260, 256343), (289, 230620), (340, 196027), (442, 150790), (578, 115310), (884, 75395), (887, 75140), (1105, 60316), (1156, 57655), (1445, 46124), (1774, 37570), (2210, 30158), (2890, 23062), (3548, 18785), (3757, 17740), (4420, 15079), (4435, 15028), (5780, 11531), (7514, 8870)]