77729880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28163}}^1$

素因数の和:28200

約数の個数: 64

約数和(自身を含む): 243336960

約数和(自身を除く): 165607080

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, 28163, 56326, 84489, 112652, 140815, 168978, 225304, 281630, 337956, 422445, 563260, 647749, 675912, 844890, 1126520, 1295498, 1689780, 1943247, 2590996, 3238745, 3379560, 3886494, 5181992, 6477490, 7772988, 9716235, 12954980, 15545976, 19432470, 25909960, 38864940, 77729880]

約数ペア:

[(1, 77729880), (2, 38864940), (3, 25909960), (4, 19432470), (5, 15545976), (6, 12954980), (8, 9716235), (10, 7772988), (12, 6477490), (15, 5181992), (20, 3886494), (23, 3379560), (24, 3238745), (30, 2590996), (40, 1943247), (46, 1689780), (60, 1295498), (69, 1126520), (92, 844890), (115, 675912), (120, 647749), (138, 563260), (184, 422445), (230, 337956), (276, 281630), (345, 225304), (460, 168978), (552, 140815), (690, 112652), (920, 84489), (1380, 56326), (2760, 28163)]