40865040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{18919}}^1$

素因数の和:18941

約数の個数: 80

約数和(自身を含む): 140764800

約数和(自身を除く): 99899760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 18919, 37838, 56757, 75676, 94595, 113514, 151352, 170271, 189190, 227028, 283785, 302704, 340542, 378380, 454056, 510813, 567570, 681084, 756760, 851355, 908112, 1021626, 1135140, 1362168, 1513520, 1702710, 2043252, 2270280, 2554065, 2724336, 3405420, 4086504, 4540560, 5108130, 6810840, 8173008, 10216260, 13621680, 20432520, 40865040]

約数ペア:

[(1, 40865040), (2, 20432520), (3, 13621680), (4, 10216260), (5, 8173008), (6, 6810840), (8, 5108130), (9, 4540560), (10, 4086504), (12, 3405420), (15, 2724336), (16, 2554065), (18, 2270280), (20, 2043252), (24, 1702710), (27, 1513520), (30, 1362168), (36, 1135140), (40, 1021626), (45, 908112), (48, 851355), (54, 756760), (60, 681084), (72, 567570), (80, 510813), (90, 454056), (108, 378380), (120, 340542), (135, 302704), (144, 283785), (180, 227028), (216, 189190), (240, 170271), (270, 151352), (360, 113514), (432, 94595), (540, 75676), (720, 56757), (1080, 37838), (2160, 18919)]