28655280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39799}}^1$

素因数の和:39818

約数の個数: 60

約数和(自身を含む): 96236400

約数和(自身を除く): 67581120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39799, 79598, 119397, 159196, 198995, 238794, 318392, 358191, 397990, 477588, 596985, 636784, 716382, 795980, 955176, 1193970, 1432764, 1591960, 1790955, 1910352, 2387940, 2865528, 3183920, 3581910, 4775880, 5731056, 7163820, 9551760, 14327640, 28655280]

約数ペア:

[(1, 28655280), (2, 14327640), (3, 9551760), (4, 7163820), (5, 5731056), (6, 4775880), (8, 3581910), (9, 3183920), (10, 2865528), (12, 2387940), (15, 1910352), (16, 1790955), (18, 1591960), (20, 1432764), (24, 1193970), (30, 955176), (36, 795980), (40, 716382), (45, 636784), (48, 596985), (60, 477588), (72, 397990), (80, 358191), (90, 318392), (120, 238794), (144, 198995), (180, 159196), (240, 119397), (360, 79598), (720, 39799)]