256273200

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 240

約数和(自身を含む): 929479200

約数和(自身を除く): 673206000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 61, 72, 75, 80, 90, 100, 108, 120, 122, 135, 144, 150, 180, 183, 200, 216, 225, 240, 244, 270, 300, 305, 360, 366, 389, 400, 432, 450, 488, 540, 549, 600, 610, 675, 720, 732, 778, 900, 915, 976, 1080, 1098, 1167, 1200, 1220, 1350, 1464, 1525, 1556, 1647, 1800, 1830, 1945, 2160, 2196, 2334, 2440, 2700, 2745, 2928, 3050, 3112, 3294, 3501, 3600, 3660, 3890, 4392, 4575, 4668, 4880, 5400, 5490, 5835, 6100, 6224, 6588, 7002, 7320, 7780, 8235, 8784, 9150, 9336, 9725, 10503, 10800, 10980, 11670, 12200, 13176, 13725, 14004, 14640, 15560, 16470, 17505, 18300, 18672, 19450, 21006, 21960, 23340, 23729, 24400, 26352, 27450, 28008, 29175, 31120, 32940, 35010, 36600, 38900, 41175, 42012, 43920, 46680, 47458, 52515, 54900, 56016, 58350, 65880, 70020, 71187, 73200, 77800, 82350, 84024, 87525, 93360, 94916, 105030, 109800, 116700, 118645, 131760, 140040, 142374, 155600, 164700, 168048, 175050, 189832, 210060, 213561, 219600, 233400, 237290, 262575, 280080, 284748, 329400, 350100, 355935, 379664, 420120, 427122, 466800, 474580, 525150, 569496, 593225, 640683, 658800, 700200, 711870, 840240, 854244, 949160, 1050300, 1067805, 1138992, 1186450, 1281366, 1400400, 1423740, 1708488, 1779675, 1898320, 2100600, 2135610, 2372900, 2562732, 2847480, 3203415, 3416976, 3559350, 4201200, 4271220, 4745800, 5125464, 5339025, 5694960, 6406830, 7118700, 8542440, 9491600, 10250928, 10678050, 12813660, 14237400, 16017075, 17084880, 21356100, 25627320, 28474800, 32034150, 42712200, 51254640, 64068300, 85424400, 128136600, 256273200]

約数ペア:

[(1, 256273200), (2, 128136600), (3, 85424400), (4, 64068300), (5, 51254640), (6, 42712200), (8, 32034150), (9, 28474800), (10, 25627320), (12, 21356100), (15, 17084880), (16, 16017075), (18, 14237400), (20, 12813660), (24, 10678050), (25, 10250928), (27, 9491600), (30, 8542440), (36, 7118700), (40, 6406830), (45, 5694960), (48, 5339025), (50, 5125464), (54, 4745800), (60, 4271220), (61, 4201200), (72, 3559350), (75, 3416976), (80, 3203415), (90, 2847480), (100, 2562732), (108, 2372900), (120, 2135610), (122, 2100600), (135, 1898320), (144, 1779675), (150, 1708488), (180, 1423740), (183, 1400400), (200, 1281366), (216, 1186450), (225, 1138992), (240, 1067805), (244, 1050300), (270, 949160), (300, 854244), (305, 840240), (360, 711870), (366, 700200), (389, 658800), (400, 640683), (432, 593225), (450, 569496), (488, 525150), (540, 474580), (549, 466800), (600, 427122), (610, 420120), (675, 379664), (720, 355935), (732, 350100), (778, 329400), (900, 284748), (915, 280080), (976, 262575), (1080, 237290), (1098, 233400), (1167, 219600), (1200, 213561), (1220, 210060), (1350, 189832), (1464, 175050), (1525, 168048), (1556, 164700), (1647, 155600), (1800, 142374), (1830, 140040), (1945, 131760), (2160, 118645), (2196, 116700), (2334, 109800), (2440, 105030), (2700, 94916), (2745, 93360), (2928, 87525), (3050, 84024), (3112, 82350), (3294, 77800), (3501, 73200), (3600, 71187), (3660, 70020), (3890, 65880), (4392, 58350), (4575, 56016), (4668, 54900), (4880, 52515), (5400, 47458), (5490, 46680), (5835, 43920), (6100, 42012), (6224, 41175), (6588, 38900), (7002, 36600), (7320, 35010), (7780, 32940), (8235, 31120), (8784, 29175), (9150, 28008), (9336, 27450), (9725, 26352), (10503, 24400), (10800, 23729), (10980, 23340), (11670, 21960), (12200, 21006), (13176, 19450), (13725, 18672), (14004, 18300), (14640, 17505), (15560, 16470)]