4521320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 11048400

約数和(自身を除く): 6527080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 109, 122, 136, 170, 218, 244, 305, 340, 436, 488, 545, 610, 680, 872, 1037, 1090, 1220, 1853, 2074, 2180, 2440, 3706, 4148, 4360, 5185, 6649, 7412, 8296, 9265, 10370, 13298, 14824, 18530, 20740, 26596, 33245, 37060, 41480, 53192, 66490, 74120, 113033, 132980, 226066, 265960, 452132, 565165, 904264, 1130330, 2260660, 4521320]

約数ペア:

[(1, 4521320), (2, 2260660), (4, 1130330), (5, 904264), (8, 565165), (10, 452132), (17, 265960), (20, 226066), (34, 132980), (40, 113033), (61, 74120), (68, 66490), (85, 53192), (109, 41480), (122, 37060), (136, 33245), (170, 26596), (218, 20740), (244, 18530), (305, 14824), (340, 13298), (436, 10370), (488, 9265), (545, 8296), (610, 7412), (680, 6649), (872, 5185), (1037, 4360), (1090, 4148), (1220, 3706), (1853, 2440), (2074, 2180)]