55140120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{21881}}^1$

素因数の和:21905

約数の個数: 96

約数和(自身を含む): 204815520

約数和(自身を除く): 149675400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 21881, 43762, 65643, 87524, 109405, 131286, 153167, 175048, 196929, 218810, 262572, 306334, 328215, 393858, 437620, 459501, 525144, 612668, 656430, 765835, 787716, 875240, 919002, 984645, 1225336, 1312860, 1378503, 1531670, 1575432, 1838004, 1969290, 2297505, 2625720, 2757006, 3063340, 3676008, 3938580, 4595010, 5514012, 6126680, 6892515, 7877160, 9190020, 11028024, 13785030, 18380040, 27570060, 55140120]

約数ペア:

[(1, 55140120), (2, 27570060), (3, 18380040), (4, 13785030), (5, 11028024), (6, 9190020), (7, 7877160), (8, 6892515), (9, 6126680), (10, 5514012), (12, 4595010), (14, 3938580), (15, 3676008), (18, 3063340), (20, 2757006), (21, 2625720), (24, 2297505), (28, 1969290), (30, 1838004), (35, 1575432), (36, 1531670), (40, 1378503), (42, 1312860), (45, 1225336), (56, 984645), (60, 919002), (63, 875240), (70, 787716), (72, 765835), (84, 656430), (90, 612668), (105, 525144), (120, 459501), (126, 437620), (140, 393858), (168, 328215), (180, 306334), (210, 262572), (252, 218810), (280, 196929), (315, 175048), (360, 153167), (420, 131286), (504, 109405), (630, 87524), (840, 65643), (1260, 43762), (2520, 21881)]