256498800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 867667680

約数和(自身を除く): 611168880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 37, 40, 48, 50, 53, 60, 74, 75, 80, 100, 106, 109, 111, 120, 148, 150, 159, 185, 200, 212, 218, 222, 240, 265, 296, 300, 318, 327, 370, 400, 424, 436, 444, 530, 545, 555, 592, 600, 636, 654, 740, 795, 848, 872, 888, 925, 1060, 1090, 1110, 1200, 1272, 1308, 1325, 1480, 1590, 1635, 1744, 1776, 1850, 1961, 2120, 2180, 2220, 2544, 2616, 2650, 2725, 2775, 2960, 3180, 3270, 3700, 3922, 3975, 4033, 4240, 4360, 4440, 5232, 5300, 5450, 5550, 5777, 5883, 6360, 6540, 7400, 7844, 7950, 8066, 8175, 8720, 8880, 9805, 10600, 10900, 11100, 11554, 11766, 12099, 12720, 13080, 14800, 15688, 15900, 16132, 16350, 17331, 19610, 20165, 21200, 21800, 22200, 23108, 23532, 24198, 26160, 28885, 29415, 31376, 31800, 32264, 32700, 34662, 39220, 40330, 43600, 44400, 46216, 47064, 48396, 49025, 57770, 58830, 60495, 63600, 64528, 65400, 69324, 78440, 80660, 86655, 92432, 94128, 96792, 98050, 100825, 115540, 117660, 120990, 130800, 138648, 144425, 147075, 156880, 161320, 173310, 193584, 196100, 201650, 213749, 231080, 235320, 241980, 277296, 288850, 294150, 302475, 322640, 346620, 392200, 403300, 427498, 433275, 462160, 470640, 483960, 577700, 588300, 604950, 641247, 693240, 784400, 806600, 854996, 866550, 967920, 1068745, 1155400, 1176600, 1209900, 1282494, 1386480, 1613200, 1709992, 1733100, 2137490, 2310800, 2353200, 2419800, 2564988, 3206235, 3419984, 3466200, 4274980, 4839600, 5129976, 5343725, 6412470, 6932400, 8549960, 10259952, 10687450, 12824940, 16031175, 17099920, 21374900, 25649880, 32062350, 42749800, 51299760, 64124700, 85499600, 128249400, 256498800]

約数ペア:

[(1, 256498800), (2, 128249400), (3, 85499600), (4, 64124700), (5, 51299760), (6, 42749800), (8, 32062350), (10, 25649880), (12, 21374900), (15, 17099920), (16, 16031175), (20, 12824940), (24, 10687450), (25, 10259952), (30, 8549960), (37, 6932400), (40, 6412470), (48, 5343725), (50, 5129976), (53, 4839600), (60, 4274980), (74, 3466200), (75, 3419984), (80, 3206235), (100, 2564988), (106, 2419800), (109, 2353200), (111, 2310800), (120, 2137490), (148, 1733100), (150, 1709992), (159, 1613200), (185, 1386480), (200, 1282494), (212, 1209900), (218, 1176600), (222, 1155400), (240, 1068745), (265, 967920), (296, 866550), (300, 854996), (318, 806600), (327, 784400), (370, 693240), (400, 641247), (424, 604950), (436, 588300), (444, 577700), (530, 483960), (545, 470640), (555, 462160), (592, 433275), (600, 427498), (636, 403300), (654, 392200), (740, 346620), (795, 322640), (848, 302475), (872, 294150), (888, 288850), (925, 277296), (1060, 241980), (1090, 235320), (1110, 231080), (1200, 213749), (1272, 201650), (1308, 196100), (1325, 193584), (1480, 173310), (1590, 161320), (1635, 156880), (1744, 147075), (1776, 144425), (1850, 138648), (1961, 130800), (2120, 120990), (2180, 117660), (2220, 115540), (2544, 100825), (2616, 98050), (2650, 96792), (2725, 94128), (2775, 92432), (2960, 86655), (3180, 80660), (3270, 78440), (3700, 69324), (3922, 65400), (3975, 64528), (4033, 63600), (4240, 60495), (4360, 58830), (4440, 57770), (5232, 49025), (5300, 48396), (5450, 47064), (5550, 46216), (5777, 44400), (5883, 43600), (6360, 40330), (6540, 39220), (7400, 34662), (7844, 32700), (7950, 32264), (8066, 31800), (8175, 31376), (8720, 29415), (8880, 28885), (9805, 26160), (10600, 24198), (10900, 23532), (11100, 23108), (11554, 22200), (11766, 21800), (12099, 21200), (12720, 20165), (13080, 19610), (14800, 17331), (15688, 16350), (15900, 16132)]