72219888

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 120

約数和(自身を含む): 219902592

約数和(自身を除く): 147682704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 173, 208, 223, 234, 312, 346, 446, 468, 519, 624, 669, 692, 892, 936, 1038, 1338, 1384, 1557, 1784, 1872, 2007, 2076, 2249, 2676, 2768, 2899, 3114, 3568, 4014, 4152, 4498, 5352, 5798, 6228, 6747, 8028, 8304, 8697, 8996, 10704, 11596, 12456, 13494, 16056, 17394, 17992, 20241, 23192, 24912, 26091, 26988, 32112, 34788, 35984, 38579, 40482, 46384, 52182, 53976, 69576, 77158, 80964, 104364, 107952, 115737, 139152, 154316, 161928, 208728, 231474, 308632, 323856, 347211, 417456, 462948, 501527, 617264, 694422, 925896, 1003054, 1388844, 1504581, 1851792, 2006108, 2777688, 3009162, 4012216, 4513743, 5555376, 6018324, 8024432, 9027486, 12036648, 18054972, 24073296, 36109944, 72219888]

約数ペア:

[(1, 72219888), (2, 36109944), (3, 24073296), (4, 18054972), (6, 12036648), (8, 9027486), (9, 8024432), (12, 6018324), (13, 5555376), (16, 4513743), (18, 4012216), (24, 3009162), (26, 2777688), (36, 2006108), (39, 1851792), (48, 1504581), (52, 1388844), (72, 1003054), (78, 925896), (104, 694422), (117, 617264), (144, 501527), (156, 462948), (173, 417456), (208, 347211), (223, 323856), (234, 308632), (312, 231474), (346, 208728), (446, 161928), (468, 154316), (519, 139152), (624, 115737), (669, 107952), (692, 104364), (892, 80964), (936, 77158), (1038, 69576), (1338, 53976), (1384, 52182), (1557, 46384), (1784, 40482), (1872, 38579), (2007, 35984), (2076, 34788), (2249, 32112), (2676, 26988), (2768, 26091), (2899, 24912), (3114, 23192), (3568, 20241), (4014, 17992), (4152, 17394), (4498, 16056), (5352, 13494), (5798, 12456), (6228, 11596), (6747, 10704), (8028, 8996), (8304, 8697)]