77857960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1966

約数の個数: 64

約数和(自身を含む): 188626320

約数和(自身を除く): 110768360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1877, 2074, 2440, 3754, 4148, 5185, 7508, 8296, 9385, 10370, 15016, 18770, 20740, 31909, 37540, 41480, 63818, 75080, 114497, 127636, 159545, 228994, 255272, 319090, 457988, 572485, 638180, 915976, 1144970, 1276360, 1946449, 2289940, 3892898, 4579880, 7785796, 9732245, 15571592, 19464490, 38928980, 77857960]

約数ペア:

[(1, 77857960), (2, 38928980), (4, 19464490), (5, 15571592), (8, 9732245), (10, 7785796), (17, 4579880), (20, 3892898), (34, 2289940), (40, 1946449), (61, 1276360), (68, 1144970), (85, 915976), (122, 638180), (136, 572485), (170, 457988), (244, 319090), (305, 255272), (340, 228994), (488, 159545), (610, 127636), (680, 114497), (1037, 75080), (1220, 63818), (1877, 41480), (2074, 37540), (2440, 31909), (3754, 20740), (4148, 18770), (5185, 15016), (7508, 10370), (8296, 9385)]