722490840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{222991}}^1$

素因数の和:223014

約数の個数: 80

約数和(自身を含む): 2428382880

約数和(自身を除く): 1705892040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 222991, 445982, 668973, 891964, 1114955, 1337946, 1783928, 2006919, 2229910, 2675892, 3344865, 4013838, 4459820, 5351784, 6020757, 6689730, 8027676, 8919640, 10034595, 12041514, 13379460, 16055352, 18062271, 20069190, 24083028, 26758920, 30103785, 36124542, 40138380, 48166056, 60207570, 72249084, 80276760, 90311355, 120415140, 144498168, 180622710, 240830280, 361245420, 722490840]

約数ペア:

[(1, 722490840), (2, 361245420), (3, 240830280), (4, 180622710), (5, 144498168), (6, 120415140), (8, 90311355), (9, 80276760), (10, 72249084), (12, 60207570), (15, 48166056), (18, 40138380), (20, 36124542), (24, 30103785), (27, 26758920), (30, 24083028), (36, 20069190), (40, 18062271), (45, 16055352), (54, 13379460), (60, 12041514), (72, 10034595), (81, 8919640), (90, 8027676), (108, 6689730), (120, 6020757), (135, 5351784), (162, 4459820), (180, 4013838), (216, 3344865), (270, 2675892), (324, 2229910), (360, 2006919), (405, 1783928), (540, 1337946), (648, 1114955), (810, 891964), (1080, 668973), (1620, 445982), (3240, 222991)]