256371600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 871819200

約数和(自身を除く): 615447600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 40, 48, 50, 53, 58, 60, 75, 80, 87, 100, 106, 116, 120, 139, 145, 150, 159, 174, 200, 212, 232, 240, 265, 278, 290, 300, 318, 348, 400, 417, 424, 435, 464, 530, 556, 580, 600, 636, 695, 696, 725, 795, 834, 848, 870, 1060, 1112, 1160, 1200, 1272, 1325, 1390, 1392, 1450, 1537, 1590, 1668, 1740, 2085, 2120, 2175, 2224, 2320, 2544, 2650, 2780, 2900, 3074, 3180, 3336, 3475, 3480, 3975, 4031, 4170, 4240, 4350, 4611, 5300, 5560, 5800, 6148, 6360, 6672, 6950, 6960, 7367, 7685, 7950, 8062, 8340, 8700, 9222, 10425, 10600, 11120, 11600, 12093, 12296, 12720, 13900, 14734, 15370, 15900, 16124, 16680, 17400, 18444, 20155, 20850, 21200, 22101, 23055, 24186, 24592, 27800, 29468, 30740, 31800, 32248, 33360, 34800, 36835, 36888, 38425, 40310, 41700, 44202, 46110, 48372, 55600, 58936, 60465, 61480, 63600, 64496, 73670, 73776, 76850, 80620, 83400, 88404, 92220, 96744, 100775, 110505, 115275, 117872, 120930, 122960, 147340, 153700, 161240, 166800, 176808, 184175, 184440, 193488, 201550, 213643, 221010, 230550, 241860, 294680, 302325, 307400, 322480, 353616, 368350, 368880, 403100, 427286, 442020, 461100, 483720, 552525, 589360, 604650, 614800, 640929, 736700, 806200, 854572, 884040, 922200, 967440, 1068215, 1105050, 1209300, 1281858, 1473400, 1612400, 1709144, 1768080, 1844400, 2136430, 2210100, 2418600, 2563716, 2946800, 3204645, 3418288, 4272860, 4420200, 4837200, 5127432, 5341075, 6409290, 8545720, 8840400, 10254864, 10682150, 12818580, 16023225, 17091440, 21364300, 25637160, 32046450, 42728600, 51274320, 64092900, 85457200, 128185800, 256371600]

約数ペア:

[(1, 256371600), (2, 128185800), (3, 85457200), (4, 64092900), (5, 51274320), (6, 42728600), (8, 32046450), (10, 25637160), (12, 21364300), (15, 17091440), (16, 16023225), (20, 12818580), (24, 10682150), (25, 10254864), (29, 8840400), (30, 8545720), (40, 6409290), (48, 5341075), (50, 5127432), (53, 4837200), (58, 4420200), (60, 4272860), (75, 3418288), (80, 3204645), (87, 2946800), (100, 2563716), (106, 2418600), (116, 2210100), (120, 2136430), (139, 1844400), (145, 1768080), (150, 1709144), (159, 1612400), (174, 1473400), (200, 1281858), (212, 1209300), (232, 1105050), (240, 1068215), (265, 967440), (278, 922200), (290, 884040), (300, 854572), (318, 806200), (348, 736700), (400, 640929), (417, 614800), (424, 604650), (435, 589360), (464, 552525), (530, 483720), (556, 461100), (580, 442020), (600, 427286), (636, 403100), (695, 368880), (696, 368350), (725, 353616), (795, 322480), (834, 307400), (848, 302325), (870, 294680), (1060, 241860), (1112, 230550), (1160, 221010), (1200, 213643), (1272, 201550), (1325, 193488), (1390, 184440), (1392, 184175), (1450, 176808), (1537, 166800), (1590, 161240), (1668, 153700), (1740, 147340), (2085, 122960), (2120, 120930), (2175, 117872), (2224, 115275), (2320, 110505), (2544, 100775), (2650, 96744), (2780, 92220), (2900, 88404), (3074, 83400), (3180, 80620), (3336, 76850), (3475, 73776), (3480, 73670), (3975, 64496), (4031, 63600), (4170, 61480), (4240, 60465), (4350, 58936), (4611, 55600), (5300, 48372), (5560, 46110), (5800, 44202), (6148, 41700), (6360, 40310), (6672, 38425), (6950, 36888), (6960, 36835), (7367, 34800), (7685, 33360), (7950, 32248), (8062, 31800), (8340, 30740), (8700, 29468), (9222, 27800), (10425, 24592), (10600, 24186), (11120, 23055), (11600, 22101), (12093, 21200), (12296, 20850), (12720, 20155), (13900, 18444), (14734, 17400), (15370, 16680), (15900, 16124)]