2181311280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97729}}^1$

素因数の和:97779

約数の個数: 120

約数和(自身を含む): 7561956480

約数和(自身を除く): 5380645200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 97729, 195458, 293187, 390916, 488645, 586374, 781832, 879561, 977290, 1172748, 1465935, 1563664, 1759122, 1954580, 2345496, 2931870, 3029599, 3518244, 3909160, 4397805, 4690992, 5863740, 6059198, 7036488, 7818320, 8795610, 9088797, 11727480, 12118396, 14072976, 15147995, 17591220, 18177594, 23454960, 24236792, 27266391, 30295990, 35182440, 36355188, 45443985, 48473584, 54532782, 60591980, 70364880, 72710376, 90887970, 109065564, 121183960, 136331955, 145420752, 181775940, 218131128, 242367920, 272663910, 363551880, 436262256, 545327820, 727103760, 1090655640, 2181311280]

約数ペア:

[(1, 2181311280), (2, 1090655640), (3, 727103760), (4, 545327820), (5, 436262256), (6, 363551880), (8, 272663910), (9, 242367920), (10, 218131128), (12, 181775940), (15, 145420752), (16, 136331955), (18, 121183960), (20, 109065564), (24, 90887970), (30, 72710376), (31, 70364880), (36, 60591980), (40, 54532782), (45, 48473584), (48, 45443985), (60, 36355188), (62, 35182440), (72, 30295990), (80, 27266391), (90, 24236792), (93, 23454960), (120, 18177594), (124, 17591220), (144, 15147995), (155, 14072976), (180, 12118396), (186, 11727480), (240, 9088797), (248, 8795610), (279, 7818320), (310, 7036488), (360, 6059198), (372, 5863740), (465, 4690992), (496, 4397805), (558, 3909160), (620, 3518244), (720, 3029599), (744, 2931870), (930, 2345496), (1116, 1954580), (1240, 1759122), (1395, 1563664), (1488, 1465935), (1860, 1172748), (2232, 977290), (2480, 879561), (2790, 781832), (3720, 586374), (4464, 488645), (5580, 390916), (7440, 293187), (11160, 195458), (22320, 97729)]