221391480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:413

約数の個数: 128

約数和(自身を含む): 681984000

約数和(自身を除く): 460592520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 127, 146, 199, 219, 254, 292, 365, 381, 398, 438, 508, 584, 597, 635, 730, 762, 796, 876, 995, 1016, 1095, 1194, 1270, 1460, 1524, 1592, 1752, 1905, 1990, 2190, 2388, 2540, 2920, 2985, 3048, 3810, 3980, 4380, 4776, 5080, 5970, 7620, 7960, 8760, 9271, 11940, 14527, 15240, 18542, 23880, 25273, 27813, 29054, 37084, 43581, 46355, 50546, 55626, 58108, 72635, 74168, 75819, 87162, 92710, 101092, 111252, 116216, 126365, 139065, 145270, 151638, 174324, 185420, 202184, 217905, 222504, 252730, 278130, 290540, 303276, 348648, 370840, 379095, 435810, 505460, 556260, 581080, 606552, 758190, 871620, 1010920, 1112520, 1516380, 1743240, 1844929, 3032760, 3689858, 5534787, 7379716, 9224645, 11069574, 14759432, 18449290, 22139148, 27673935, 36898580, 44278296, 55347870, 73797160, 110695740, 221391480]

約数ペア:

[(1, 221391480), (2, 110695740), (3, 73797160), (4, 55347870), (5, 44278296), (6, 36898580), (8, 27673935), (10, 22139148), (12, 18449290), (15, 14759432), (20, 11069574), (24, 9224645), (30, 7379716), (40, 5534787), (60, 3689858), (73, 3032760), (120, 1844929), (127, 1743240), (146, 1516380), (199, 1112520), (219, 1010920), (254, 871620), (292, 758190), (365, 606552), (381, 581080), (398, 556260), (438, 505460), (508, 435810), (584, 379095), (597, 370840), (635, 348648), (730, 303276), (762, 290540), (796, 278130), (876, 252730), (995, 222504), (1016, 217905), (1095, 202184), (1194, 185420), (1270, 174324), (1460, 151638), (1524, 145270), (1592, 139065), (1752, 126365), (1905, 116216), (1990, 111252), (2190, 101092), (2388, 92710), (2540, 87162), (2920, 75819), (2985, 74168), (3048, 72635), (3810, 58108), (3980, 55626), (4380, 50546), (4776, 46355), (5080, 43581), (5970, 37084), (7620, 29054), (7960, 27813), (8760, 25273), (9271, 23880), (11940, 18542), (14527, 15240)]