42080080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 112742784

約数和(自身を除く): 70662704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 461, 560, 652, 815, 922, 1141, 1304, 1630, 1844, 2282, 2305, 2608, 3227, 3260, 3688, 4564, 4610, 5705, 6454, 6520, 7376, 9128, 9220, 11410, 12908, 13040, 16135, 18256, 18440, 22820, 25816, 32270, 36880, 45640, 51632, 64540, 75143, 91280, 129080, 150286, 258160, 300572, 375715, 526001, 601144, 751430, 1052002, 1202288, 1502860, 2104004, 2630005, 3005720, 4208008, 5260010, 6011440, 8416016, 10520020, 21040040, 42080080]

約数ペア:

[(1, 42080080), (2, 21040040), (4, 10520020), (5, 8416016), (7, 6011440), (8, 5260010), (10, 4208008), (14, 3005720), (16, 2630005), (20, 2104004), (28, 1502860), (35, 1202288), (40, 1052002), (56, 751430), (70, 601144), (80, 526001), (112, 375715), (140, 300572), (163, 258160), (280, 150286), (326, 129080), (461, 91280), (560, 75143), (652, 64540), (815, 51632), (922, 45640), (1141, 36880), (1304, 32270), (1630, 25816), (1844, 22820), (2282, 18440), (2305, 18256), (2608, 16135), (3227, 13040), (3260, 12908), (3688, 11410), (4564, 9220), (4610, 9128), (5705, 7376), (6454, 6520)]