256401000

素因数分解:

$2^3\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:977

約数の個数: 192

約数和(自身を含む): 895564800

約数和(自身を除く): 639163800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 125, 150, 155, 180, 186, 200, 225, 248, 250, 279, 300, 310, 360, 372, 375, 450, 465, 500, 558, 600, 620, 744, 750, 775, 900, 919, 930, 1000, 1116, 1125, 1240, 1395, 1500, 1550, 1800, 1838, 1860, 2232, 2250, 2325, 2757, 2790, 3000, 3100, 3676, 3720, 3875, 4500, 4595, 4650, 5514, 5580, 6200, 6975, 7352, 7750, 8271, 9000, 9190, 9300, 11028, 11160, 11625, 13785, 13950, 15500, 16542, 18380, 18600, 22056, 22975, 23250, 27570, 27900, 28489, 31000, 33084, 34875, 36760, 41355, 45950, 46500, 55140, 55800, 56978, 66168, 68925, 69750, 82710, 85467, 91900, 93000, 110280, 113956, 114875, 137850, 139500, 142445, 165420, 170934, 183800, 206775, 227912, 229750, 256401, 275700, 279000, 284890, 330840, 341868, 344625, 413550, 427335, 459500, 512802, 551400, 569780, 683736, 689250, 712225, 827100, 854670, 919000, 1025604, 1033875, 1139560, 1282005, 1378500, 1424450, 1654200, 1709340, 2051208, 2067750, 2136675, 2564010, 2757000, 2848900, 3418680, 3561125, 4135500, 4273350, 5128020, 5697800, 6410025, 7122250, 8271000, 8546700, 10256040, 10683375, 12820050, 14244500, 17093400, 21366750, 25640100, 28489000, 32050125, 42733500, 51280200, 64100250, 85467000, 128200500, 256401000]

約数ペア:

[(1, 256401000), (2, 128200500), (3, 85467000), (4, 64100250), (5, 51280200), (6, 42733500), (8, 32050125), (9, 28489000), (10, 25640100), (12, 21366750), (15, 17093400), (18, 14244500), (20, 12820050), (24, 10683375), (25, 10256040), (30, 8546700), (31, 8271000), (36, 7122250), (40, 6410025), (45, 5697800), (50, 5128020), (60, 4273350), (62, 4135500), (72, 3561125), (75, 3418680), (90, 2848900), (93, 2757000), (100, 2564010), (120, 2136675), (124, 2067750), (125, 2051208), (150, 1709340), (155, 1654200), (180, 1424450), (186, 1378500), (200, 1282005), (225, 1139560), (248, 1033875), (250, 1025604), (279, 919000), (300, 854670), (310, 827100), (360, 712225), (372, 689250), (375, 683736), (450, 569780), (465, 551400), (500, 512802), (558, 459500), (600, 427335), (620, 413550), (744, 344625), (750, 341868), (775, 330840), (900, 284890), (919, 279000), (930, 275700), (1000, 256401), (1116, 229750), (1125, 227912), (1240, 206775), (1395, 183800), (1500, 170934), (1550, 165420), (1800, 142445), (1838, 139500), (1860, 137850), (2232, 114875), (2250, 113956), (2325, 110280), (2757, 93000), (2790, 91900), (3000, 85467), (3100, 82710), (3676, 69750), (3720, 68925), (3875, 66168), (4500, 56978), (4595, 55800), (4650, 55140), (5514, 46500), (5580, 45950), (6200, 41355), (6975, 36760), (7352, 34875), (7750, 33084), (8271, 31000), (9000, 28489), (9190, 27900), (9300, 27570), (11028, 23250), (11160, 22975), (11625, 22056), (13785, 18600), (13950, 18380), (15500, 16542)]