87389880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31663}}^1$

素因数の和:31700

約数の個数: 64

約数和(自身を含む): 273576960

約数和(自身を除く): 186187080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 31663, 63326, 94989, 126652, 158315, 189978, 253304, 316630, 379956, 474945, 633260, 728249, 759912, 949890, 1266520, 1456498, 1899780, 2184747, 2912996, 3641245, 3799560, 4369494, 5825992, 7282490, 8738988, 10923735, 14564980, 17477976, 21847470, 29129960, 43694940, 87389880]

約数ペア:

[(1, 87389880), (2, 43694940), (3, 29129960), (4, 21847470), (5, 17477976), (6, 14564980), (8, 10923735), (10, 8738988), (12, 7282490), (15, 5825992), (20, 4369494), (23, 3799560), (24, 3641245), (30, 2912996), (40, 2184747), (46, 1899780), (60, 1456498), (69, 1266520), (92, 949890), (115, 759912), (120, 728249), (138, 633260), (184, 474945), (230, 379956), (276, 316630), (345, 253304), (460, 189978), (552, 158315), (690, 126652), (920, 94989), (1380, 63326), (2760, 31663)]