70847820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 227747520

約数和(自身を除く): 156899700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 109, 115, 138, 157, 180, 207, 218, 230, 276, 314, 327, 345, 414, 436, 460, 471, 545, 628, 654, 690, 785, 828, 942, 981, 1035, 1090, 1308, 1380, 1413, 1570, 1635, 1884, 1962, 2070, 2180, 2355, 2507, 2826, 3140, 3270, 3611, 3924, 4140, 4710, 4905, 5014, 5652, 6540, 7065, 7222, 7521, 9420, 9810, 10028, 10833, 12535, 14130, 14444, 15042, 17113, 18055, 19620, 21666, 22563, 25070, 28260, 30084, 32499, 34226, 36110, 37605, 43332, 45126, 50140, 51339, 54165, 64998, 68452, 72220, 75210, 85565, 90252, 102678, 108330, 112815, 129996, 150420, 154017, 162495, 171130, 205356, 216660, 225630, 256695, 308034, 324990, 342260, 393599, 451260, 513390, 616068, 649980, 770085, 787198, 1026780, 1180797, 1540170, 1574396, 1967995, 2361594, 3080340, 3542391, 3935990, 4723188, 5903985, 7084782, 7871980, 11807970, 14169564, 17711955, 23615940, 35423910, 70847820]

約数ペア:

[(1, 70847820), (2, 35423910), (3, 23615940), (4, 17711955), (5, 14169564), (6, 11807970), (9, 7871980), (10, 7084782), (12, 5903985), (15, 4723188), (18, 3935990), (20, 3542391), (23, 3080340), (30, 2361594), (36, 1967995), (45, 1574396), (46, 1540170), (60, 1180797), (69, 1026780), (90, 787198), (92, 770085), (109, 649980), (115, 616068), (138, 513390), (157, 451260), (180, 393599), (207, 342260), (218, 324990), (230, 308034), (276, 256695), (314, 225630), (327, 216660), (345, 205356), (414, 171130), (436, 162495), (460, 154017), (471, 150420), (545, 129996), (628, 112815), (654, 108330), (690, 102678), (785, 90252), (828, 85565), (942, 75210), (981, 72220), (1035, 68452), (1090, 64998), (1308, 54165), (1380, 51339), (1413, 50140), (1570, 45126), (1635, 43332), (1884, 37605), (1962, 36110), (2070, 34226), (2180, 32499), (2355, 30084), (2507, 28260), (2826, 25070), (3140, 22563), (3270, 21666), (3611, 19620), (3924, 18055), (4140, 17113), (4710, 15042), (4905, 14444), (5014, 14130), (5652, 12535), (6540, 10833), (7065, 10028), (7222, 9810), (7521, 9420)]