66467720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 170069760

約数和(自身を除く): 103602040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 443, 484, 605, 620, 682, 886, 968, 1210, 1240, 1364, 1705, 1772, 2215, 2420, 2728, 3410, 3544, 3751, 4430, 4840, 4873, 6820, 7502, 8860, 9746, 13640, 13733, 15004, 17720, 18755, 19492, 24365, 27466, 30008, 37510, 38984, 48730, 53603, 54932, 68665, 75020, 97460, 107206, 109864, 137330, 150040, 151063, 194920, 214412, 268015, 274660, 302126, 428824, 536030, 549320, 604252, 755315, 1072060, 1208504, 1510630, 1661693, 2144120, 3021260, 3323386, 6042520, 6646772, 8308465, 13293544, 16616930, 33233860, 66467720]

約数ペア:

[(1, 66467720), (2, 33233860), (4, 16616930), (5, 13293544), (8, 8308465), (10, 6646772), (11, 6042520), (20, 3323386), (22, 3021260), (31, 2144120), (40, 1661693), (44, 1510630), (55, 1208504), (62, 1072060), (88, 755315), (110, 604252), (121, 549320), (124, 536030), (155, 428824), (220, 302126), (242, 274660), (248, 268015), (310, 214412), (341, 194920), (440, 151063), (443, 150040), (484, 137330), (605, 109864), (620, 107206), (682, 97460), (886, 75020), (968, 68665), (1210, 54932), (1240, 53603), (1364, 48730), (1705, 38984), (1772, 37510), (2215, 30008), (2420, 27466), (2728, 24365), (3410, 19492), (3544, 18755), (3751, 17720), (4430, 15004), (4840, 13733), (4873, 13640), (6820, 9746), (7502, 8860)]