256495200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8221}}^1$

素因数の和:8257

約数の個数: 144

約数和(自身を含む): 899223696

約数和(自身を除く): 642728496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 5200, 6240, 7800, 8221, 10400, 15600, 16442, 24663, 31200, 32884, 41105, 49326, 65768, 82210, 98652, 106873, 123315, 131536, 164420, 197304, 205525, 213746, 246630, 263072, 320619, 328840, 394608, 411050, 427492, 493260, 534365, 616575, 641238, 657680, 789216, 822100, 854984, 986520, 1068730, 1233150, 1282476, 1315360, 1603095, 1644200, 1709968, 1973040, 2137460, 2466300, 2564952, 2671825, 3206190, 3288400, 3419936, 3946080, 4274920, 4932600, 5129904, 5343650, 6412380, 6576800, 8015475, 8549840, 9865200, 10259808, 10687300, 12824760, 16030950, 17099680, 19730400, 21374600, 25649520, 32061900, 42749200, 51299040, 64123800, 85498400, 128247600, 256495200]

約数ペア:

[(1, 256495200), (2, 128247600), (3, 85498400), (4, 64123800), (5, 51299040), (6, 42749200), (8, 32061900), (10, 25649520), (12, 21374600), (13, 19730400), (15, 17099680), (16, 16030950), (20, 12824760), (24, 10687300), (25, 10259808), (26, 9865200), (30, 8549840), (32, 8015475), (39, 6576800), (40, 6412380), (48, 5343650), (50, 5129904), (52, 4932600), (60, 4274920), (65, 3946080), (75, 3419936), (78, 3288400), (80, 3206190), (96, 2671825), (100, 2564952), (104, 2466300), (120, 2137460), (130, 1973040), (150, 1709968), (156, 1644200), (160, 1603095), (195, 1315360), (200, 1282476), (208, 1233150), (240, 1068730), (260, 986520), (300, 854984), (312, 822100), (325, 789216), (390, 657680), (400, 641238), (416, 616575), (480, 534365), (520, 493260), (600, 427492), (624, 411050), (650, 394608), (780, 328840), (800, 320619), (975, 263072), (1040, 246630), (1200, 213746), (1248, 205525), (1300, 197304), (1560, 164420), (1950, 131536), (2080, 123315), (2400, 106873), (2600, 98652), (3120, 82210), (3900, 65768), (5200, 49326), (6240, 41105), (7800, 32884), (8221, 31200), (10400, 24663), (15600, 16442)]