18780120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17389}}^1$

素因数の和:17409

約数の個数: 64

約数和(自身を含む): 62604000

約数和(自身を除く): 43823880

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, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17389, 34778, 52167, 69556, 86945, 104334, 139112, 156501, 173890, 208668, 260835, 313002, 347780, 417336, 469503, 521670, 626004, 695560, 782505, 939006, 1043340, 1252008, 1565010, 1878012, 2086680, 2347515, 3130020, 3756024, 4695030, 6260040, 9390060, 18780120]

約数ペア:

[(1, 18780120), (2, 9390060), (3, 6260040), (4, 4695030), (5, 3756024), (6, 3130020), (8, 2347515), (9, 2086680), (10, 1878012), (12, 1565010), (15, 1252008), (18, 1043340), (20, 939006), (24, 782505), (27, 695560), (30, 626004), (36, 521670), (40, 469503), (45, 417336), (54, 347780), (60, 313002), (72, 260835), (90, 208668), (108, 173890), (120, 156501), (135, 139112), (180, 104334), (216, 86945), (270, 69556), (360, 52167), (540, 34778), (1080, 17389)]