72405522

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 196116480

約数和(自身を除く): 123710958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 37, 42, 54, 62, 63, 74, 93, 111, 126, 167, 186, 189, 217, 222, 259, 279, 333, 334, 378, 434, 501, 518, 558, 651, 666, 777, 837, 999, 1002, 1147, 1169, 1302, 1503, 1554, 1674, 1953, 1998, 2294, 2331, 2338, 3006, 3441, 3507, 3906, 4509, 4662, 5177, 5859, 6179, 6882, 6993, 7014, 8029, 9018, 10323, 10354, 10521, 11718, 12358, 13986, 15531, 16058, 18537, 20646, 21042, 24087, 30969, 31062, 31563, 36239, 37074, 43253, 46593, 48174, 55611, 61938, 63126, 72261, 72478, 86506, 93186, 108717, 111222, 129759, 139779, 144522, 166833, 191549, 216783, 217434, 259518, 279558, 326151, 333666, 383098, 389277, 433566, 574647, 652302, 778554, 978453, 1149294, 1167831, 1340843, 1723941, 1956906, 2335662, 2681686, 3447882, 4022529, 5171823, 8045058, 10343646, 12067587, 24135174, 36202761, 72405522]

約数ペア:

[(1, 72405522), (2, 36202761), (3, 24135174), (6, 12067587), (7, 10343646), (9, 8045058), (14, 5171823), (18, 4022529), (21, 3447882), (27, 2681686), (31, 2335662), (37, 1956906), (42, 1723941), (54, 1340843), (62, 1167831), (63, 1149294), (74, 978453), (93, 778554), (111, 652302), (126, 574647), (167, 433566), (186, 389277), (189, 383098), (217, 333666), (222, 326151), (259, 279558), (279, 259518), (333, 217434), (334, 216783), (378, 191549), (434, 166833), (501, 144522), (518, 139779), (558, 129759), (651, 111222), (666, 108717), (777, 93186), (837, 86506), (999, 72478), (1002, 72261), (1147, 63126), (1169, 61938), (1302, 55611), (1503, 48174), (1554, 46593), (1674, 43253), (1953, 37074), (1998, 36239), (2294, 31563), (2331, 31062), (2338, 30969), (3006, 24087), (3441, 21042), (3507, 20646), (3906, 18537), (4509, 16058), (4662, 15531), (5177, 13986), (5859, 12358), (6179, 11718), (6882, 10521), (6993, 10354), (7014, 10323), (8029, 9018)]