51481320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:975

約数の個数: 128

約数和(自身を含む): 172592640

約数和(自身を除く): 121111320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 907, 946, 1032, 1290, 1320, 1419, 1720, 1814, 1892, 2365, 2580, 2721, 2838, 3628, 3784, 4535, 4730, 5160, 5442, 5676, 7095, 7256, 9070, 9460, 9977, 10884, 11352, 13605, 14190, 18140, 18920, 19954, 21768, 27210, 28380, 29931, 36280, 39001, 39908, 49885, 54420, 56760, 59862, 78002, 79816, 99770, 108840, 117003, 119724, 149655, 156004, 195005, 199540, 234006, 239448, 299310, 312008, 390010, 399080, 429011, 468012, 585015, 598620, 780020, 858022, 936024, 1170030, 1197240, 1287033, 1560040, 1716044, 2145055, 2340060, 2574066, 3432088, 4290110, 4680120, 5148132, 6435165, 8580220, 10296264, 12870330, 17160440, 25740660, 51481320]

約数ペア:

[(1, 51481320), (2, 25740660), (3, 17160440), (4, 12870330), (5, 10296264), (6, 8580220), (8, 6435165), (10, 5148132), (11, 4680120), (12, 4290110), (15, 3432088), (20, 2574066), (22, 2340060), (24, 2145055), (30, 1716044), (33, 1560040), (40, 1287033), (43, 1197240), (44, 1170030), (55, 936024), (60, 858022), (66, 780020), (86, 598620), (88, 585015), (110, 468012), (120, 429011), (129, 399080), (132, 390010), (165, 312008), (172, 299310), (215, 239448), (220, 234006), (258, 199540), (264, 195005), (330, 156004), (344, 149655), (430, 119724), (440, 117003), (473, 108840), (516, 99770), (645, 79816), (660, 78002), (860, 59862), (907, 56760), (946, 54420), (1032, 49885), (1290, 39908), (1320, 39001), (1419, 36280), (1720, 29931), (1814, 28380), (1892, 27210), (2365, 21768), (2580, 19954), (2721, 18920), (2838, 18140), (3628, 14190), (3784, 13605), (4535, 11352), (4730, 10884), (5160, 9977), (5442, 9460), (5676, 9070), (7095, 7256)]