256479600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 240

約数和(自身を含む): 908629344

約数和(自身を除く): 652149744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 41, 48, 50, 52, 60, 65, 75, 78, 80, 82, 100, 104, 120, 123, 130, 150, 156, 164, 195, 200, 205, 208, 240, 246, 260, 300, 312, 325, 328, 390, 400, 401, 410, 492, 520, 533, 600, 615, 624, 650, 656, 780, 802, 820, 975, 984, 1025, 1040, 1066, 1200, 1203, 1230, 1300, 1560, 1599, 1604, 1640, 1950, 1968, 2005, 2050, 2132, 2406, 2460, 2600, 2665, 3075, 3120, 3198, 3208, 3280, 3900, 4010, 4100, 4264, 4812, 4920, 5200, 5213, 5330, 6015, 6150, 6396, 6416, 7800, 7995, 8020, 8200, 8528, 9624, 9840, 10025, 10426, 10660, 12030, 12300, 12792, 13325, 15600, 15639, 15990, 16040, 16400, 16441, 19248, 20050, 20852, 21320, 24060, 24600, 25584, 26065, 26650, 30075, 31278, 31980, 32080, 32882, 39975, 40100, 41704, 42640, 48120, 49200, 49323, 52130, 53300, 60150, 62556, 63960, 65764, 78195, 79950, 80200, 82205, 83408, 96240, 98646, 104260, 106600, 120300, 125112, 127920, 130325, 131528, 156390, 159900, 160400, 164410, 197292, 208520, 213200, 213733, 240600, 246615, 250224, 260650, 263056, 312780, 319800, 328820, 390975, 394584, 411025, 417040, 427466, 481200, 493230, 521300, 625560, 639600, 641199, 657640, 781950, 789168, 822050, 854932, 986460, 1042600, 1068665, 1233075, 1251120, 1282398, 1315280, 1563900, 1644100, 1709864, 1972920, 2085200, 2137330, 2466150, 2564796, 3127800, 3205995, 3288200, 3419728, 3945840, 4274660, 4932300, 5129592, 5343325, 6255600, 6411990, 6576400, 8549320, 9864600, 10259184, 10686650, 12823980, 16029975, 17098640, 19729200, 21373300, 25647960, 32059950, 42746600, 51295920, 64119900, 85493200, 128239800, 256479600]

約数ペア:

[(1, 256479600), (2, 128239800), (3, 85493200), (4, 64119900), (5, 51295920), (6, 42746600), (8, 32059950), (10, 25647960), (12, 21373300), (13, 19729200), (15, 17098640), (16, 16029975), (20, 12823980), (24, 10686650), (25, 10259184), (26, 9864600), (30, 8549320), (39, 6576400), (40, 6411990), (41, 6255600), (48, 5343325), (50, 5129592), (52, 4932300), (60, 4274660), (65, 3945840), (75, 3419728), (78, 3288200), (80, 3205995), (82, 3127800), (100, 2564796), (104, 2466150), (120, 2137330), (123, 2085200), (130, 1972920), (150, 1709864), (156, 1644100), (164, 1563900), (195, 1315280), (200, 1282398), (205, 1251120), (208, 1233075), (240, 1068665), (246, 1042600), (260, 986460), (300, 854932), (312, 822050), (325, 789168), (328, 781950), (390, 657640), (400, 641199), (401, 639600), (410, 625560), (492, 521300), (520, 493230), (533, 481200), (600, 427466), (615, 417040), (624, 411025), (650, 394584), (656, 390975), (780, 328820), (802, 319800), (820, 312780), (975, 263056), (984, 260650), (1025, 250224), (1040, 246615), (1066, 240600), (1200, 213733), (1203, 213200), (1230, 208520), (1300, 197292), (1560, 164410), (1599, 160400), (1604, 159900), (1640, 156390), (1950, 131528), (1968, 130325), (2005, 127920), (2050, 125112), (2132, 120300), (2406, 106600), (2460, 104260), (2600, 98646), (2665, 96240), (3075, 83408), (3120, 82205), (3198, 80200), (3208, 79950), (3280, 78195), (3900, 65764), (4010, 63960), (4100, 62556), (4264, 60150), (4812, 53300), (4920, 52130), (5200, 49323), (5213, 49200), (5330, 48120), (6015, 42640), (6150, 41704), (6396, 40100), (6416, 39975), (7800, 32882), (7995, 32080), (8020, 31980), (8200, 31278), (8528, 30075), (9624, 26650), (9840, 26065), (10025, 25584), (10426, 24600), (10660, 24060), (12030, 21320), (12300, 20852), (12792, 20050), (13325, 19248), (15600, 16441), (15639, 16400), (15990, 16040)]