731534280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1$

素因数の和:6855

約数の個数: 128

約数和(自身を含む): 2343859200

約数和(自身を除く): 1612324920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 174, 186, 232, 248, 290, 310, 348, 372, 435, 465, 580, 620, 696, 744, 870, 899, 930, 1160, 1240, 1740, 1798, 1860, 2697, 3480, 3596, 3720, 4495, 5394, 6781, 7192, 8990, 10788, 13485, 13562, 17980, 20343, 21576, 26970, 27124, 33905, 35960, 40686, 53940, 54248, 67810, 81372, 101715, 107880, 135620, 162744, 196649, 203430, 210211, 271240, 393298, 406860, 420422, 589947, 630633, 786596, 813720, 840844, 983245, 1051055, 1179894, 1261266, 1573192, 1681688, 1966490, 2102110, 2359788, 2522532, 2949735, 3153165, 3932980, 4204220, 4719576, 5045064, 5899470, 6096119, 6306330, 7865960, 8408440, 11798940, 12192238, 12612660, 18288357, 23597880, 24384476, 25225320, 30480595, 36576714, 48768952, 60961190, 73153428, 91441785, 121922380, 146306856, 182883570, 243844760, 365767140, 731534280]

約数ペア:

[(1, 731534280), (2, 365767140), (3, 243844760), (4, 182883570), (5, 146306856), (6, 121922380), (8, 91441785), (10, 73153428), (12, 60961190), (15, 48768952), (20, 36576714), (24, 30480595), (29, 25225320), (30, 24384476), (31, 23597880), (40, 18288357), (58, 12612660), (60, 12192238), (62, 11798940), (87, 8408440), (93, 7865960), (116, 6306330), (120, 6096119), (124, 5899470), (145, 5045064), (155, 4719576), (174, 4204220), (186, 3932980), (232, 3153165), (248, 2949735), (290, 2522532), (310, 2359788), (348, 2102110), (372, 1966490), (435, 1681688), (465, 1573192), (580, 1261266), (620, 1179894), (696, 1051055), (744, 983245), (870, 840844), (899, 813720), (930, 786596), (1160, 630633), (1240, 589947), (1740, 420422), (1798, 406860), (1860, 393298), (2697, 271240), (3480, 210211), (3596, 203430), (3720, 196649), (4495, 162744), (5394, 135620), (6781, 107880), (7192, 101715), (8990, 81372), (10788, 67810), (13485, 54248), (13562, 53940), (17980, 40686), (20343, 35960), (21576, 33905), (26970, 27124)]