258706560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19249}}^1$

素因数の和:19278

約数の個数: 128

約数和(自身を含む): 942480000

約数和(自身を除く): 683773440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19249, 38498, 57747, 76996, 96245, 115494, 134743, 153992, 192490, 230988, 269486, 288735, 307984, 384980, 404229, 461976, 538972, 577470, 615968, 673715, 769960, 808458, 923952, 1077944, 1154940, 1231936, 1347430, 1539920, 1616916, 1847904, 2021145, 2155888, 2309880, 2463872, 2694860, 3079840, 3233832, 3695808, 4042290, 4311776, 4619760, 5389720, 6159680, 6467664, 7391616, 8084580, 8623552, 9239520, 10779440, 12319360, 12935328, 16169160, 17247104, 18479040, 21558880, 25870656, 32338320, 36958080, 43117760, 51741312, 64676640, 86235520, 129353280, 258706560]

約数ペア:

[(1, 258706560), (2, 129353280), (3, 86235520), (4, 64676640), (5, 51741312), (6, 43117760), (7, 36958080), (8, 32338320), (10, 25870656), (12, 21558880), (14, 18479040), (15, 17247104), (16, 16169160), (20, 12935328), (21, 12319360), (24, 10779440), (28, 9239520), (30, 8623552), (32, 8084580), (35, 7391616), (40, 6467664), (42, 6159680), (48, 5389720), (56, 4619760), (60, 4311776), (64, 4042290), (70, 3695808), (80, 3233832), (84, 3079840), (96, 2694860), (105, 2463872), (112, 2309880), (120, 2155888), (128, 2021145), (140, 1847904), (160, 1616916), (168, 1539920), (192, 1347430), (210, 1231936), (224, 1154940), (240, 1077944), (280, 923952), (320, 808458), (336, 769960), (384, 673715), (420, 615968), (448, 577470), (480, 538972), (560, 461976), (640, 404229), (672, 384980), (840, 307984), (896, 288735), (960, 269486), (1120, 230988), (1344, 192490), (1680, 153992), (1920, 134743), (2240, 115494), (2688, 96245), (3360, 76996), (4480, 57747), (6720, 38498), (13440, 19249)]