68104520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4993}}^1$

素因数の和:5046

約数の個数: 64

約数和(自身を含む): 172592640

約数和(自身を除く): 104488120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 4993, 6820, 9986, 13640, 19972, 24965, 39944, 49930, 54923, 99860, 109846, 154783, 199720, 219692, 274615, 309566, 439384, 549230, 619132, 773915, 1098460, 1238264, 1547830, 1702613, 2196920, 3095660, 3405226, 6191320, 6810452, 8513065, 13620904, 17026130, 34052260, 68104520]

約数ペア:

[(1, 68104520), (2, 34052260), (4, 17026130), (5, 13620904), (8, 8513065), (10, 6810452), (11, 6191320), (20, 3405226), (22, 3095660), (31, 2196920), (40, 1702613), (44, 1547830), (55, 1238264), (62, 1098460), (88, 773915), (110, 619132), (124, 549230), (155, 439384), (220, 309566), (248, 274615), (310, 219692), (341, 199720), (440, 154783), (620, 109846), (682, 99860), (1240, 54923), (1364, 49930), (1705, 39944), (2728, 24965), (3410, 19972), (4993, 13640), (6820, 9986)]