2401880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 6048000

約数和(自身を除く): 3646120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 149, 155, 248, 260, 298, 310, 403, 520, 596, 620, 745, 806, 1192, 1240, 1490, 1612, 1937, 2015, 2980, 3224, 3874, 4030, 4619, 5960, 7748, 8060, 9238, 9685, 15496, 16120, 18476, 19370, 23095, 36952, 38740, 46190, 60047, 77480, 92380, 120094, 184760, 240188, 300235, 480376, 600470, 1200940, 2401880]

約数ペア:

[(1, 2401880), (2, 1200940), (4, 600470), (5, 480376), (8, 300235), (10, 240188), (13, 184760), (20, 120094), (26, 92380), (31, 77480), (40, 60047), (52, 46190), (62, 38740), (65, 36952), (104, 23095), (124, 19370), (130, 18476), (149, 16120), (155, 15496), (248, 9685), (260, 9238), (298, 8060), (310, 7748), (403, 5960), (520, 4619), (596, 4030), (620, 3874), (745, 3224), (806, 2980), (1192, 2015), (1240, 1937), (1490, 1612)]