840727440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5381}}^1$

素因数の和:5438

約数の個数: 240

約数和(自身を含む): 3331501056

約数和(自身を除く): 2490773616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5381, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 10762, 11160, 13020, 15624, 16143, 17360, 19530, 21524, 22320, 26040, 26905, 31248, 32286, 37667, 39060, 43048, 48429, 52080, 53810, 64572, 75334, 78120, 80715, 86096, 96858, 107620, 113001, 129144, 150668, 156240, 161430, 166811, 188335, 193716, 215240, 226002, 242145, 258288, 301336, 322860, 333622, 339003, 376670, 387432, 430480, 452004, 484290, 500433, 565005, 602672, 645720, 667244, 678006, 753340, 774864, 834055, 904008, 968580, 1000866, 1130010, 1167677, 1291440, 1334488, 1356012, 1501299, 1506680, 1668110, 1695015, 1808016, 1937160, 2001732, 2260020, 2335354, 2502165, 2668976, 2712024, 3002598, 3013360, 3336220, 3390030, 3503031, 3874320, 4003464, 4520040, 4670708, 5004330, 5424048, 5838385, 6005196, 6672440, 6780060, 7006062, 7506495, 8006928, 9040080, 9341416, 10008660, 10509093, 11676770, 12010392, 13344880, 13560120, 14012124, 15012990, 17515155, 18682832, 20017320, 21018186, 23353540, 24020784, 27120240, 28024248, 30025980, 35030310, 40034640, 42036372, 46707080, 52545465, 56048496, 60051960, 70060620, 84072744, 93414160, 105090930, 120103920, 140121240, 168145488, 210181860, 280242480, 420363720, 840727440]

約数ペア:

[(1, 840727440), (2, 420363720), (3, 280242480), (4, 210181860), (5, 168145488), (6, 140121240), (7, 120103920), (8, 105090930), (9, 93414160), (10, 84072744), (12, 70060620), (14, 60051960), (15, 56048496), (16, 52545465), (18, 46707080), (20, 42036372), (21, 40034640), (24, 35030310), (28, 30025980), (30, 28024248), (31, 27120240), (35, 24020784), (36, 23353540), (40, 21018186), (42, 20017320), (45, 18682832), (48, 17515155), (56, 15012990), (60, 14012124), (62, 13560120), (63, 13344880), (70, 12010392), (72, 11676770), (80, 10509093), (84, 10008660), (90, 9341416), (93, 9040080), (105, 8006928), (112, 7506495), (120, 7006062), (124, 6780060), (126, 6672440), (140, 6005196), (144, 5838385), (155, 5424048), (168, 5004330), (180, 4670708), (186, 4520040), (210, 4003464), (217, 3874320), (240, 3503031), (248, 3390030), (252, 3336220), (279, 3013360), (280, 3002598), (310, 2712024), (315, 2668976), (336, 2502165), (360, 2335354), (372, 2260020), (420, 2001732), (434, 1937160), (465, 1808016), (496, 1695015), (504, 1668110), (558, 1506680), (560, 1501299), (620, 1356012), (630, 1334488), (651, 1291440), (720, 1167677), (744, 1130010), (840, 1000866), (868, 968580), (930, 904008), (1008, 834055), (1085, 774864), (1116, 753340), (1240, 678006), (1260, 667244), (1302, 645720), (1395, 602672), (1488, 565005), (1680, 500433), (1736, 484290), (1860, 452004), (1953, 430480), (2170, 387432), (2232, 376670), (2480, 339003), (2520, 333622), (2604, 322860), (2790, 301336), (3255, 258288), (3472, 242145), (3720, 226002), (3906, 215240), (4340, 193716), (4464, 188335), (5040, 166811), (5208, 161430), (5381, 156240), (5580, 150668), (6510, 129144), (7440, 113001), (7812, 107620), (8680, 96858), (9765, 86096), (10416, 80715), (10762, 78120), (11160, 75334), (13020, 64572), (15624, 53810), (16143, 52080), (17360, 48429), (19530, 43048), (21524, 39060), (22320, 37667), (26040, 32286), (26905, 31248)]