72408924

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 229062400

約数和(自身を除く): 156653476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 71, 76, 84, 108, 114, 126, 133, 142, 171, 189, 213, 228, 252, 266, 284, 342, 378, 399, 426, 497, 513, 532, 639, 684, 756, 798, 852, 994, 1026, 1197, 1278, 1349, 1491, 1596, 1917, 1988, 2052, 2394, 2556, 2698, 2982, 3591, 3834, 4047, 4473, 4788, 5041, 5396, 5964, 7182, 7668, 8094, 8946, 9443, 10082, 12141, 13419, 14364, 15123, 16188, 17892, 18886, 20164, 24282, 26838, 28329, 30246, 35287, 36423, 37772, 45369, 48564, 53676, 56658, 60492, 70574, 72846, 84987, 90738, 95779, 105861, 113316, 136107, 141148, 145692, 169974, 181476, 191558, 211722, 254961, 272214, 287337, 317583, 339948, 383116, 423444, 509922, 544428, 574674, 635166, 670453, 862011, 952749, 1019844, 1149348, 1270332, 1340906, 1724022, 1905498, 2011359, 2586033, 2681812, 3448044, 3810996, 4022718, 5172066, 6034077, 8045436, 10344132, 12068154, 18102231, 24136308, 36204462, 72408924]

約数ペア:

[(1, 72408924), (2, 36204462), (3, 24136308), (4, 18102231), (6, 12068154), (7, 10344132), (9, 8045436), (12, 6034077), (14, 5172066), (18, 4022718), (19, 3810996), (21, 3448044), (27, 2681812), (28, 2586033), (36, 2011359), (38, 1905498), (42, 1724022), (54, 1340906), (57, 1270332), (63, 1149348), (71, 1019844), (76, 952749), (84, 862011), (108, 670453), (114, 635166), (126, 574674), (133, 544428), (142, 509922), (171, 423444), (189, 383116), (213, 339948), (228, 317583), (252, 287337), (266, 272214), (284, 254961), (342, 211722), (378, 191558), (399, 181476), (426, 169974), (497, 145692), (513, 141148), (532, 136107), (639, 113316), (684, 105861), (756, 95779), (798, 90738), (852, 84987), (994, 72846), (1026, 70574), (1197, 60492), (1278, 56658), (1349, 53676), (1491, 48564), (1596, 45369), (1917, 37772), (1988, 36423), (2052, 35287), (2394, 30246), (2556, 28329), (2698, 26838), (2982, 24282), (3591, 20164), (3834, 18886), (4047, 17892), (4473, 16188), (4788, 15123), (5041, 14364), (5396, 13419), (5964, 12141), (7182, 10082), (7668, 9443), (8094, 8946)]