178934640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 587105280

約数和(自身を除く): 408170640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 47, 48, 58, 60, 80, 87, 94, 116, 120, 141, 145, 174, 188, 232, 235, 240, 282, 290, 348, 376, 435, 464, 470, 547, 564, 580, 696, 705, 752, 870, 940, 1094, 1128, 1160, 1363, 1392, 1410, 1641, 1740, 1880, 2188, 2256, 2320, 2726, 2735, 2820, 3282, 3480, 3760, 4089, 4376, 5452, 5470, 5640, 6564, 6815, 6960, 8178, 8205, 8752, 10904, 10940, 11280, 13128, 13630, 15863, 16356, 16410, 20445, 21808, 21880, 25709, 26256, 27260, 31726, 32712, 32820, 40890, 43760, 47589, 51418, 54520, 63452, 65424, 65640, 77127, 79315, 81780, 95178, 102836, 109040, 126904, 128545, 131280, 154254, 158630, 163560, 190356, 205672, 237945, 253808, 257090, 308508, 317260, 327120, 380712, 385635, 411344, 475890, 514180, 617016, 634520, 745561, 761424, 771270, 951780, 1028360, 1234032, 1269040, 1491122, 1542540, 1903560, 2056720, 2236683, 2982244, 3085080, 3727805, 3807120, 4473366, 5964488, 6170160, 7455610, 8946732, 11183415, 11928976, 14911220, 17893464, 22366830, 29822440, 35786928, 44733660, 59644880, 89467320, 178934640]

約数ペア:

[(1, 178934640), (2, 89467320), (3, 59644880), (4, 44733660), (5, 35786928), (6, 29822440), (8, 22366830), (10, 17893464), (12, 14911220), (15, 11928976), (16, 11183415), (20, 8946732), (24, 7455610), (29, 6170160), (30, 5964488), (40, 4473366), (47, 3807120), (48, 3727805), (58, 3085080), (60, 2982244), (80, 2236683), (87, 2056720), (94, 1903560), (116, 1542540), (120, 1491122), (141, 1269040), (145, 1234032), (174, 1028360), (188, 951780), (232, 771270), (235, 761424), (240, 745561), (282, 634520), (290, 617016), (348, 514180), (376, 475890), (435, 411344), (464, 385635), (470, 380712), (547, 327120), (564, 317260), (580, 308508), (696, 257090), (705, 253808), (752, 237945), (870, 205672), (940, 190356), (1094, 163560), (1128, 158630), (1160, 154254), (1363, 131280), (1392, 128545), (1410, 126904), (1641, 109040), (1740, 102836), (1880, 95178), (2188, 81780), (2256, 79315), (2320, 77127), (2726, 65640), (2735, 65424), (2820, 63452), (3282, 54520), (3480, 51418), (3760, 47589), (4089, 43760), (4376, 40890), (5452, 32820), (5470, 32712), (5640, 31726), (6564, 27260), (6815, 26256), (6960, 25709), (8178, 21880), (8205, 21808), (8752, 20445), (10904, 16410), (10940, 16356), (11280, 15863), (13128, 13630)]