66917840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 177321984

約数和(自身を除く): 110404144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 223, 242, 248, 310, 341, 440, 446, 484, 496, 605, 620, 682, 880, 892, 968, 1115, 1210, 1240, 1364, 1705, 1784, 1936, 2230, 2420, 2453, 2480, 2728, 3410, 3568, 3751, 4460, 4840, 4906, 5456, 6820, 6913, 7502, 8920, 9680, 9812, 12265, 13640, 13826, 15004, 17840, 18755, 19624, 24530, 26983, 27280, 27652, 30008, 34565, 37510, 39248, 49060, 53966, 55304, 60016, 69130, 75020, 76043, 98120, 107932, 110608, 134915, 138260, 150040, 152086, 196240, 215864, 269830, 276520, 300080, 304172, 380215, 431728, 539660, 553040, 608344, 760430, 836473, 1079320, 1216688, 1520860, 1672946, 2158640, 3041720, 3345892, 4182365, 6083440, 6691784, 8364730, 13383568, 16729460, 33458920, 66917840]

約数ペア:

[(1, 66917840), (2, 33458920), (4, 16729460), (5, 13383568), (8, 8364730), (10, 6691784), (11, 6083440), (16, 4182365), (20, 3345892), (22, 3041720), (31, 2158640), (40, 1672946), (44, 1520860), (55, 1216688), (62, 1079320), (80, 836473), (88, 760430), (110, 608344), (121, 553040), (124, 539660), (155, 431728), (176, 380215), (220, 304172), (223, 300080), (242, 276520), (248, 269830), (310, 215864), (341, 196240), (440, 152086), (446, 150040), (484, 138260), (496, 134915), (605, 110608), (620, 107932), (682, 98120), (880, 76043), (892, 75020), (968, 69130), (1115, 60016), (1210, 55304), (1240, 53966), (1364, 49060), (1705, 39248), (1784, 37510), (1936, 34565), (2230, 30008), (2420, 27652), (2453, 27280), (2480, 26983), (2728, 24530), (3410, 19624), (3568, 18755), (3751, 17840), (4460, 15004), (4840, 13826), (4906, 13640), (5456, 12265), (6820, 9812), (6913, 9680), (7502, 8920)]