251905920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18743}}^1$

素因数の和:18772

約数の個数: 128

約数和(自身を含む): 917706240

約数和(自身を除く): 665800320

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, 18743, 37486, 56229, 74972, 93715, 112458, 131201, 149944, 187430, 224916, 262402, 281145, 299888, 374860, 393603, 449832, 524804, 562290, 599776, 656005, 749720, 787206, 899664, 1049608, 1124580, 1199552, 1312010, 1499440, 1574412, 1799328, 1968015, 2099216, 2249160, 2399104, 2624020, 2998880, 3148824, 3598656, 3936030, 4198432, 4498320, 5248040, 5997760, 6297648, 7197312, 7872060, 8396864, 8996640, 10496080, 11995520, 12595296, 15744120, 16793728, 17993280, 20992160, 25190592, 31488240, 35986560, 41984320, 50381184, 62976480, 83968640, 125952960, 251905920]

約数ペア:

[(1, 251905920), (2, 125952960), (3, 83968640), (4, 62976480), (5, 50381184), (6, 41984320), (7, 35986560), (8, 31488240), (10, 25190592), (12, 20992160), (14, 17993280), (15, 16793728), (16, 15744120), (20, 12595296), (21, 11995520), (24, 10496080), (28, 8996640), (30, 8396864), (32, 7872060), (35, 7197312), (40, 6297648), (42, 5997760), (48, 5248040), (56, 4498320), (60, 4198432), (64, 3936030), (70, 3598656), (80, 3148824), (84, 2998880), (96, 2624020), (105, 2399104), (112, 2249160), (120, 2099216), (128, 1968015), (140, 1799328), (160, 1574412), (168, 1499440), (192, 1312010), (210, 1199552), (224, 1124580), (240, 1049608), (280, 899664), (320, 787206), (336, 749720), (384, 656005), (420, 599776), (448, 562290), (480, 524804), (560, 449832), (640, 393603), (672, 374860), (840, 299888), (896, 281145), (960, 262402), (1120, 224916), (1344, 187430), (1680, 149944), (1920, 131201), (2240, 112458), (2688, 93715), (3360, 74972), (4480, 56229), (6720, 37486), (13440, 18743)]