61519720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 148204800

約数和(自身を除く): 86685080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 1327, 2318, 2440, 2654, 4636, 5308, 5795, 6635, 9272, 10616, 11590, 13270, 23180, 25213, 26540, 46360, 50426, 53080, 80947, 100852, 126065, 161894, 201704, 252130, 323788, 404735, 504260, 647576, 809470, 1008520, 1537993, 1618940, 3075986, 3237880, 6151972, 7689965, 12303944, 15379930, 30759860, 61519720]

約数ペア:

[(1, 61519720), (2, 30759860), (4, 15379930), (5, 12303944), (8, 7689965), (10, 6151972), (19, 3237880), (20, 3075986), (38, 1618940), (40, 1537993), (61, 1008520), (76, 809470), (95, 647576), (122, 504260), (152, 404735), (190, 323788), (244, 252130), (305, 201704), (380, 161894), (488, 126065), (610, 100852), (760, 80947), (1159, 53080), (1220, 50426), (1327, 46360), (2318, 26540), (2440, 25213), (2654, 23180), (4636, 13270), (5308, 11590), (5795, 10616), (6635, 9272)]