261485280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8647}}^1$

素因数の和:8678

約数の個数: 192

約数和(自身を含む): 1046062080

約数和(自身を除く): 784576800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8647, 10080, 15120, 17294, 25941, 30240, 34588, 43235, 51882, 60529, 69176, 77823, 86470, 103764, 121058, 129705, 138352, 155646, 172940, 181587, 207528, 233469, 242116, 259410, 276704, 302645, 311292, 345880, 363174, 389115, 415056, 466938, 484232, 518820, 544761, 605290, 622584, 691760, 726348, 778230, 830112, 907935, 933876, 968464, 1037640, 1089522, 1167345, 1210580, 1245168, 1383520, 1452696, 1556460, 1634283, 1815870, 1867752, 1936928, 2075280, 2179044, 2334690, 2421160, 2490336, 2723805, 2905392, 3112920, 3268566, 3631740, 3735504, 4150560, 4358088, 4669380, 4842320, 5447610, 5810784, 6225840, 6537132, 7263480, 7471008, 8171415, 8716176, 9338760, 9684640, 10895220, 12451680, 13074264, 14526960, 16342830, 17432352, 18677520, 21790440, 26148528, 29053920, 32685660, 37355040, 43580880, 52297056, 65371320, 87161760, 130742640, 261485280]

約数ペア:

[(1, 261485280), (2, 130742640), (3, 87161760), (4, 65371320), (5, 52297056), (6, 43580880), (7, 37355040), (8, 32685660), (9, 29053920), (10, 26148528), (12, 21790440), (14, 18677520), (15, 17432352), (16, 16342830), (18, 14526960), (20, 13074264), (21, 12451680), (24, 10895220), (27, 9684640), (28, 9338760), (30, 8716176), (32, 8171415), (35, 7471008), (36, 7263480), (40, 6537132), (42, 6225840), (45, 5810784), (48, 5447610), (54, 4842320), (56, 4669380), (60, 4358088), (63, 4150560), (70, 3735504), (72, 3631740), (80, 3268566), (84, 3112920), (90, 2905392), (96, 2723805), (105, 2490336), (108, 2421160), (112, 2334690), (120, 2179044), (126, 2075280), (135, 1936928), (140, 1867752), (144, 1815870), (160, 1634283), (168, 1556460), (180, 1452696), (189, 1383520), (210, 1245168), (216, 1210580), (224, 1167345), (240, 1089522), (252, 1037640), (270, 968464), (280, 933876), (288, 907935), (315, 830112), (336, 778230), (360, 726348), (378, 691760), (420, 622584), (432, 605290), (480, 544761), (504, 518820), (540, 484232), (560, 466938), (630, 415056), (672, 389115), (720, 363174), (756, 345880), (840, 311292), (864, 302645), (945, 276704), (1008, 259410), (1080, 242116), (1120, 233469), (1260, 207528), (1440, 181587), (1512, 172940), (1680, 155646), (1890, 138352), (2016, 129705), (2160, 121058), (2520, 103764), (3024, 86470), (3360, 77823), (3780, 69176), (4320, 60529), (5040, 51882), (6048, 43235), (7560, 34588), (8647, 30240), (10080, 25941), (15120, 17294)]