72865728

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 168

約数和(自身を含む): 231879648

約数和(自身を除く): 159013920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 37, 39, 48, 52, 64, 72, 74, 78, 96, 104, 111, 117, 144, 148, 156, 192, 208, 222, 234, 263, 288, 296, 312, 333, 416, 444, 468, 481, 526, 576, 592, 624, 666, 789, 832, 888, 936, 962, 1052, 1184, 1248, 1332, 1443, 1578, 1776, 1872, 1924, 2104, 2367, 2368, 2496, 2664, 2886, 3156, 3419, 3552, 3744, 3848, 4208, 4329, 4734, 5328, 5772, 6312, 6838, 7104, 7488, 7696, 8416, 8658, 9468, 9731, 10257, 10656, 11544, 12624, 13676, 15392, 16832, 17316, 18936, 19462, 20514, 21312, 23088, 25248, 27352, 29193, 30771, 30784, 34632, 37872, 38924, 41028, 46176, 50496, 54704, 58386, 61542, 69264, 75744, 77848, 82056, 87579, 92352, 109408, 116772, 123084, 126503, 138528, 151488, 155696, 164112, 175158, 218816, 233544, 246168, 253006, 277056, 311392, 328224, 350316, 379509, 467088, 492336, 506012, 622784, 656448, 700632, 759018, 934176, 984672, 1012024, 1138527, 1401264, 1518036, 1868352, 1969344, 2024048, 2277054, 2802528, 3036072, 4048096, 4554108, 5605056, 6072144, 8096192, 9108216, 12144288, 18216432, 24288576, 36432864, 72865728]

約数ペア:

[(1, 72865728), (2, 36432864), (3, 24288576), (4, 18216432), (6, 12144288), (8, 9108216), (9, 8096192), (12, 6072144), (13, 5605056), (16, 4554108), (18, 4048096), (24, 3036072), (26, 2802528), (32, 2277054), (36, 2024048), (37, 1969344), (39, 1868352), (48, 1518036), (52, 1401264), (64, 1138527), (72, 1012024), (74, 984672), (78, 934176), (96, 759018), (104, 700632), (111, 656448), (117, 622784), (144, 506012), (148, 492336), (156, 467088), (192, 379509), (208, 350316), (222, 328224), (234, 311392), (263, 277056), (288, 253006), (296, 246168), (312, 233544), (333, 218816), (416, 175158), (444, 164112), (468, 155696), (481, 151488), (526, 138528), (576, 126503), (592, 123084), (624, 116772), (666, 109408), (789, 92352), (832, 87579), (888, 82056), (936, 77848), (962, 75744), (1052, 69264), (1184, 61542), (1248, 58386), (1332, 54704), (1443, 50496), (1578, 46176), (1776, 41028), (1872, 38924), (1924, 37872), (2104, 34632), (2367, 30784), (2368, 30771), (2496, 29193), (2664, 27352), (2886, 25248), (3156, 23088), (3419, 21312), (3552, 20514), (3744, 19462), (3848, 18936), (4208, 17316), (4329, 16832), (4734, 15392), (5328, 13676), (5772, 12624), (6312, 11544), (6838, 10656), (7104, 10257), (7488, 9731), (7696, 9468), (8416, 8658)]