128740560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41263}}^1$

素因数の和:41292

約数の個数: 80

約数和(自身を含む): 429805824

約数和(自身を除く): 301065264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 41263, 82526, 123789, 165052, 206315, 247578, 330104, 412630, 495156, 536419, 618945, 660208, 825260, 990312, 1072838, 1237890, 1609257, 1650520, 1980624, 2145676, 2475780, 2682095, 3218514, 3301040, 4291352, 4951560, 5364190, 6437028, 8046285, 8582704, 9903120, 10728380, 12874056, 16092570, 21456760, 25748112, 32185140, 42913520, 64370280, 128740560]

約数ペア:

[(1, 128740560), (2, 64370280), (3, 42913520), (4, 32185140), (5, 25748112), (6, 21456760), (8, 16092570), (10, 12874056), (12, 10728380), (13, 9903120), (15, 8582704), (16, 8046285), (20, 6437028), (24, 5364190), (26, 4951560), (30, 4291352), (39, 3301040), (40, 3218514), (48, 2682095), (52, 2475780), (60, 2145676), (65, 1980624), (78, 1650520), (80, 1609257), (104, 1237890), (120, 1072838), (130, 990312), (156, 825260), (195, 660208), (208, 618945), (240, 536419), (260, 495156), (312, 412630), (390, 330104), (520, 247578), (624, 206315), (780, 165052), (1040, 123789), (1560, 82526), (3120, 41263)]