72907884

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 229824000

約数和(自身を除く): 156916116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 84, 92, 98, 108, 126, 138, 147, 161, 189, 196, 207, 252, 276, 294, 322, 378, 414, 441, 483, 588, 599, 621, 644, 756, 828, 882, 966, 1127, 1198, 1242, 1323, 1449, 1764, 1797, 1932, 2254, 2396, 2484, 2646, 2898, 3381, 3594, 4193, 4347, 4508, 5292, 5391, 5796, 6762, 7188, 8386, 8694, 10143, 10782, 12579, 13524, 13777, 16173, 16772, 17388, 20286, 21564, 25158, 27554, 29351, 30429, 32346, 37737, 40572, 41331, 50316, 55108, 58702, 60858, 64692, 75474, 82662, 88053, 96439, 113211, 117404, 121716, 123993, 150948, 165324, 176106, 192878, 226422, 247986, 264159, 289317, 352212, 371979, 385756, 452844, 495972, 528318, 578634, 675073, 743958, 792477, 867951, 1056636, 1157268, 1350146, 1487916, 1584954, 1735902, 2025219, 2603853, 2700292, 3169908, 3471804, 4050438, 5207706, 6075657, 8100876, 10415412, 12151314, 18226971, 24302628, 36453942, 72907884]

約数ペア:

[(1, 72907884), (2, 36453942), (3, 24302628), (4, 18226971), (6, 12151314), (7, 10415412), (9, 8100876), (12, 6075657), (14, 5207706), (18, 4050438), (21, 3471804), (23, 3169908), (27, 2700292), (28, 2603853), (36, 2025219), (42, 1735902), (46, 1584954), (49, 1487916), (54, 1350146), (63, 1157268), (69, 1056636), (84, 867951), (92, 792477), (98, 743958), (108, 675073), (126, 578634), (138, 528318), (147, 495972), (161, 452844), (189, 385756), (196, 371979), (207, 352212), (252, 289317), (276, 264159), (294, 247986), (322, 226422), (378, 192878), (414, 176106), (441, 165324), (483, 150948), (588, 123993), (599, 121716), (621, 117404), (644, 113211), (756, 96439), (828, 88053), (882, 82662), (966, 75474), (1127, 64692), (1198, 60858), (1242, 58702), (1323, 55108), (1449, 50316), (1764, 41331), (1797, 40572), (1932, 37737), (2254, 32346), (2396, 30429), (2484, 29351), (2646, 27554), (2898, 25158), (3381, 21564), (3594, 20286), (4193, 17388), (4347, 16772), (4508, 16173), (5292, 13777), (5391, 13524), (5796, 12579), (6762, 10782), (7188, 10143), (8386, 8694)]