307508080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1567}}^1$

素因数の和:1814

約数の個数: 80

約数和(自身を含む): 783949824

約数和(自身を除く): 476441744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1567, 1784, 2230, 2453, 3134, 3568, 4460, 4906, 6268, 7835, 8920, 9812, 12265, 12536, 15670, 17237, 17840, 19624, 24530, 25072, 31340, 34474, 39248, 49060, 62680, 68948, 86185, 98120, 125360, 137896, 172370, 196240, 275792, 344740, 349441, 689480, 698882, 1378960, 1397764, 1747205, 2795528, 3494410, 3843851, 5591056, 6988820, 7687702, 13977640, 15375404, 19219255, 27955280, 30750808, 38438510, 61501616, 76877020, 153754040, 307508080]

約数ペア:

[(1, 307508080), (2, 153754040), (4, 76877020), (5, 61501616), (8, 38438510), (10, 30750808), (11, 27955280), (16, 19219255), (20, 15375404), (22, 13977640), (40, 7687702), (44, 6988820), (55, 5591056), (80, 3843851), (88, 3494410), (110, 2795528), (176, 1747205), (220, 1397764), (223, 1378960), (440, 698882), (446, 689480), (880, 349441), (892, 344740), (1115, 275792), (1567, 196240), (1784, 172370), (2230, 137896), (2453, 125360), (3134, 98120), (3568, 86185), (4460, 68948), (4906, 62680), (6268, 49060), (7835, 39248), (8920, 34474), (9812, 31340), (12265, 25072), (12536, 24530), (15670, 19624), (17237, 17840)]