30741560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 72182880

約数和(自身を除く): 41441320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 293, 305, 344, 430, 488, 586, 610, 860, 1172, 1220, 1465, 1720, 2344, 2440, 2623, 2930, 5246, 5860, 10492, 11720, 12599, 13115, 17873, 20984, 25198, 26230, 35746, 50396, 52460, 62995, 71492, 89365, 100792, 104920, 125990, 142984, 178730, 251980, 357460, 503960, 714920, 768539, 1537078, 3074156, 3842695, 6148312, 7685390, 15370780, 30741560]

約数ペア:

[(1, 30741560), (2, 15370780), (4, 7685390), (5, 6148312), (8, 3842695), (10, 3074156), (20, 1537078), (40, 768539), (43, 714920), (61, 503960), (86, 357460), (122, 251980), (172, 178730), (215, 142984), (244, 125990), (293, 104920), (305, 100792), (344, 89365), (430, 71492), (488, 62995), (586, 52460), (610, 50396), (860, 35746), (1172, 26230), (1220, 25198), (1465, 20984), (1720, 17873), (2344, 13115), (2440, 12599), (2623, 11720), (2930, 10492), (5246, 5860)]