2318781320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{4049}}^1$

素因数の和:4302

約数の個数: 64

約数和(自身を含む): 5307120000

約数和(自身を除く): 2988338680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 139, 206, 278, 412, 515, 556, 695, 824, 1030, 1112, 1390, 2060, 2780, 4049, 4120, 5560, 8098, 14317, 16196, 20245, 28634, 32392, 40490, 57268, 71585, 80980, 114536, 143170, 161960, 286340, 417047, 562811, 572680, 834094, 1125622, 1668188, 2085235, 2251244, 2814055, 3336376, 4170470, 4502488, 5628110, 8340940, 11256220, 16681880, 22512440, 57969533, 115939066, 231878132, 289847665, 463756264, 579695330, 1159390660, 2318781320]

約数ペア:

[(1, 2318781320), (2, 1159390660), (4, 579695330), (5, 463756264), (8, 289847665), (10, 231878132), (20, 115939066), (40, 57969533), (103, 22512440), (139, 16681880), (206, 11256220), (278, 8340940), (412, 5628110), (515, 4502488), (556, 4170470), (695, 3336376), (824, 2814055), (1030, 2251244), (1112, 2085235), (1390, 1668188), (2060, 1125622), (2780, 834094), (4049, 572680), (4120, 562811), (5560, 417047), (8098, 286340), (14317, 161960), (16196, 143170), (20245, 114536), (28634, 80980), (32392, 71585), (40490, 57268)]