646788960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14489}}^1$

素因数の和:14541

約数の個数: 144

約数和(自身を含む): 2278523520

約数和(自身を除く): 1631734560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14489, 14880, 22320, 28978, 43467, 44640, 57956, 72445, 86934, 115912, 130401, 144890, 173868, 217335, 231824, 260802, 289780, 347736, 434670, 449159, 463648, 521604, 579560, 652005, 695472, 869340, 898318, 1043208, 1159120, 1304010, 1347477, 1390944, 1738680, 1796636, 2086416, 2245795, 2318240, 2608020, 2694954, 3477360, 3593272, 4042431, 4172832, 4491590, 5216040, 5389908, 6737385, 6954720, 7186544, 8084862, 8983180, 10432080, 10779816, 13474770, 14373088, 16169724, 17966360, 20212155, 20864160, 21559632, 26949540, 32339448, 35932720, 40424310, 43119264, 53899080, 64678896, 71865440, 80848620, 107798160, 129357792, 161697240, 215596320, 323394480, 646788960]

約数ペア:

[(1, 646788960), (2, 323394480), (3, 215596320), (4, 161697240), (5, 129357792), (6, 107798160), (8, 80848620), (9, 71865440), (10, 64678896), (12, 53899080), (15, 43119264), (16, 40424310), (18, 35932720), (20, 32339448), (24, 26949540), (30, 21559632), (31, 20864160), (32, 20212155), (36, 17966360), (40, 16169724), (45, 14373088), (48, 13474770), (60, 10779816), (62, 10432080), (72, 8983180), (80, 8084862), (90, 7186544), (93, 6954720), (96, 6737385), (120, 5389908), (124, 5216040), (144, 4491590), (155, 4172832), (160, 4042431), (180, 3593272), (186, 3477360), (240, 2694954), (248, 2608020), (279, 2318240), (288, 2245795), (310, 2086416), (360, 1796636), (372, 1738680), (465, 1390944), (480, 1347477), (496, 1304010), (558, 1159120), (620, 1043208), (720, 898318), (744, 869340), (930, 695472), (992, 652005), (1116, 579560), (1240, 521604), (1395, 463648), (1440, 449159), (1488, 434670), (1860, 347736), (2232, 289780), (2480, 260802), (2790, 231824), (2976, 217335), (3720, 173868), (4464, 144890), (4960, 130401), (5580, 115912), (7440, 86934), (8928, 72445), (11160, 57956), (14489, 44640), (14880, 43467), (22320, 28978)]