66947940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 215324928

約数和(自身を除く): 148376988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 103, 115, 138, 157, 180, 206, 207, 230, 276, 309, 314, 345, 412, 414, 460, 471, 515, 618, 628, 690, 785, 828, 927, 942, 1030, 1035, 1236, 1380, 1413, 1545, 1570, 1854, 1884, 2060, 2070, 2355, 2369, 2826, 3090, 3140, 3611, 3708, 4140, 4635, 4710, 4738, 5652, 6180, 7065, 7107, 7222, 9270, 9420, 9476, 10833, 11845, 14130, 14214, 14444, 16171, 18055, 18540, 21321, 21666, 23690, 28260, 28428, 32342, 32499, 35535, 36110, 42642, 43332, 47380, 48513, 54165, 64684, 64998, 71070, 72220, 80855, 85284, 97026, 106605, 108330, 129996, 142140, 145539, 161710, 162495, 194052, 213210, 216660, 242565, 291078, 323420, 324990, 371933, 426420, 485130, 582156, 649980, 727695, 743866, 970260, 1115799, 1455390, 1487732, 1859665, 2231598, 2910780, 3347397, 3719330, 4463196, 5578995, 6694794, 7438660, 11157990, 13389588, 16736985, 22315980, 33473970, 66947940]

約数ペア:

[(1, 66947940), (2, 33473970), (3, 22315980), (4, 16736985), (5, 13389588), (6, 11157990), (9, 7438660), (10, 6694794), (12, 5578995), (15, 4463196), (18, 3719330), (20, 3347397), (23, 2910780), (30, 2231598), (36, 1859665), (45, 1487732), (46, 1455390), (60, 1115799), (69, 970260), (90, 743866), (92, 727695), (103, 649980), (115, 582156), (138, 485130), (157, 426420), (180, 371933), (206, 324990), (207, 323420), (230, 291078), (276, 242565), (309, 216660), (314, 213210), (345, 194052), (412, 162495), (414, 161710), (460, 145539), (471, 142140), (515, 129996), (618, 108330), (628, 106605), (690, 97026), (785, 85284), (828, 80855), (927, 72220), (942, 71070), (1030, 64998), (1035, 64684), (1236, 54165), (1380, 48513), (1413, 47380), (1545, 43332), (1570, 42642), (1854, 36110), (1884, 35535), (2060, 32499), (2070, 32342), (2355, 28428), (2369, 28260), (2826, 23690), (3090, 21666), (3140, 21321), (3611, 18540), (3708, 18055), (4140, 16171), (4635, 14444), (4710, 14214), (4738, 14130), (5652, 11845), (6180, 10833), (7065, 9476), (7107, 9420), (7222, 9270)]