81562320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16183}}^1$

素因数の和:16209

約数の個数: 120

約数和(自身を含む): 313063296

約数和(自身を除く): 231500976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16183, 32366, 48549, 64732, 80915, 97098, 113281, 129464, 145647, 161830, 194196, 226562, 242745, 258928, 291294, 323660, 339843, 388392, 453124, 485490, 566405, 582588, 647320, 679686, 728235, 776784, 906248, 970980, 1019529, 1132810, 1165176, 1294640, 1359372, 1456470, 1699215, 1812496, 1941960, 2039058, 2265620, 2330352, 2718744, 2912940, 3398430, 3883920, 4078116, 4531240, 5097645, 5437488, 5825880, 6796860, 8156232, 9062480, 10195290, 11651760, 13593720, 16312464, 20390580, 27187440, 40781160, 81562320]

約数ペア:

[(1, 81562320), (2, 40781160), (3, 27187440), (4, 20390580), (5, 16312464), (6, 13593720), (7, 11651760), (8, 10195290), (9, 9062480), (10, 8156232), (12, 6796860), (14, 5825880), (15, 5437488), (16, 5097645), (18, 4531240), (20, 4078116), (21, 3883920), (24, 3398430), (28, 2912940), (30, 2718744), (35, 2330352), (36, 2265620), (40, 2039058), (42, 1941960), (45, 1812496), (48, 1699215), (56, 1456470), (60, 1359372), (63, 1294640), (70, 1165176), (72, 1132810), (80, 1019529), (84, 970980), (90, 906248), (105, 776784), (112, 728235), (120, 679686), (126, 647320), (140, 582588), (144, 566405), (168, 485490), (180, 453124), (210, 388392), (240, 339843), (252, 323660), (280, 291294), (315, 258928), (336, 242745), (360, 226562), (420, 194196), (504, 161830), (560, 145647), (630, 129464), (720, 113281), (840, 97098), (1008, 80915), (1260, 64732), (1680, 48549), (2520, 32366), (5040, 16183)]