66702460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 157793328

約数和(自身を除く): 91090868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 641, 860, 946, 1210, 1282, 1892, 2365, 2420, 2564, 3205, 4730, 5203, 6410, 7051, 9460, 10406, 12820, 14102, 20812, 26015, 27563, 28204, 35255, 52030, 55126, 70510, 77561, 104060, 110252, 137815, 141020, 155122, 275630, 303193, 310244, 387805, 551260, 606386, 775610, 1212772, 1515965, 1551220, 3031930, 3335123, 6063860, 6670246, 13340492, 16675615, 33351230, 66702460]

約数ペア:

[(1, 66702460), (2, 33351230), (4, 16675615), (5, 13340492), (10, 6670246), (11, 6063860), (20, 3335123), (22, 3031930), (43, 1551220), (44, 1515965), (55, 1212772), (86, 775610), (110, 606386), (121, 551260), (172, 387805), (215, 310244), (220, 303193), (242, 275630), (430, 155122), (473, 141020), (484, 137815), (605, 110252), (641, 104060), (860, 77561), (946, 70510), (1210, 55126), (1282, 52030), (1892, 35255), (2365, 28204), (2420, 27563), (2564, 26015), (3205, 20812), (4730, 14102), (5203, 12820), (6410, 10406), (7051, 9460)]