256580800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:799

約数の個数: 168

約数和(自身を含む): 745825280

約数和(自身を除く): 489244480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 320, 350, 400, 434, 448, 496, 560, 620, 700, 739, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1478, 1550, 1600, 1736, 1984, 2170, 2240, 2480, 2800, 2956, 3100, 3472, 3695, 4340, 4960, 5173, 5425, 5600, 5912, 6200, 6944, 7390, 8680, 9920, 10346, 10850, 11200, 11824, 12400, 13888, 14780, 17360, 18475, 20692, 21700, 22909, 23648, 24800, 25865, 29560, 34720, 36950, 41384, 43400, 45818, 47296, 49600, 51730, 59120, 69440, 73900, 82768, 86800, 91636, 103460, 114545, 118240, 129325, 147800, 160363, 165536, 173600, 183272, 206920, 229090, 236480, 258650, 295600, 320726, 331072, 347200, 366544, 413840, 458180, 517300, 572725, 591200, 641452, 733088, 801815, 827680, 916360, 1034600, 1145450, 1182400, 1282904, 1466176, 1603630, 1655360, 1832720, 2069200, 2290900, 2565808, 3207260, 3665440, 4009075, 4138400, 4581800, 5131616, 6414520, 7330880, 8018150, 8276800, 9163600, 10263232, 12829040, 16036300, 18327200, 25658080, 32072600, 36654400, 51316160, 64145200, 128290400, 256580800]

約数ペア:

[(1, 256580800), (2, 128290400), (4, 64145200), (5, 51316160), (7, 36654400), (8, 32072600), (10, 25658080), (14, 18327200), (16, 16036300), (20, 12829040), (25, 10263232), (28, 9163600), (31, 8276800), (32, 8018150), (35, 7330880), (40, 6414520), (50, 5131616), (56, 4581800), (62, 4138400), (64, 4009075), (70, 3665440), (80, 3207260), (100, 2565808), (112, 2290900), (124, 2069200), (140, 1832720), (155, 1655360), (160, 1603630), (175, 1466176), (200, 1282904), (217, 1182400), (224, 1145450), (248, 1034600), (280, 916360), (310, 827680), (320, 801815), (350, 733088), (400, 641452), (434, 591200), (448, 572725), (496, 517300), (560, 458180), (620, 413840), (700, 366544), (739, 347200), (775, 331072), (800, 320726), (868, 295600), (992, 258650), (1085, 236480), (1120, 229090), (1240, 206920), (1400, 183272), (1478, 173600), (1550, 165536), (1600, 160363), (1736, 147800), (1984, 129325), (2170, 118240), (2240, 114545), (2480, 103460), (2800, 91636), (2956, 86800), (3100, 82768), (3472, 73900), (3695, 69440), (4340, 59120), (4960, 51730), (5173, 49600), (5425, 47296), (5600, 45818), (5912, 43400), (6200, 41384), (6944, 36950), (7390, 34720), (8680, 29560), (9920, 25865), (10346, 24800), (10850, 23648), (11200, 22909), (11824, 21700), (12400, 20692), (13888, 18475), (14780, 17360)]