255274240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 712109160

約数和(自身を除く): 456834920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 29, 32, 40, 46, 52, 58, 64, 65, 80, 92, 104, 115, 116, 128, 130, 145, 160, 184, 208, 230, 232, 256, 260, 290, 299, 320, 368, 377, 416, 460, 464, 520, 529, 580, 598, 640, 667, 736, 754, 832, 920, 928, 1040, 1058, 1160, 1196, 1280, 1334, 1472, 1495, 1508, 1664, 1840, 1856, 1885, 2080, 2116, 2320, 2392, 2645, 2668, 2944, 2990, 3016, 3328, 3335, 3680, 3712, 3770, 4160, 4232, 4640, 4784, 5290, 5336, 5888, 5980, 6032, 6670, 6877, 7360, 7424, 7540, 8320, 8464, 8671, 9280, 9568, 10580, 10672, 11960, 12064, 13340, 13754, 14720, 15080, 15341, 16640, 16928, 17342, 18560, 19136, 21160, 21344, 23920, 24128, 26680, 27508, 29440, 30160, 30682, 33856, 34385, 34684, 37120, 38272, 42320, 42688, 43355, 47840, 48256, 53360, 55016, 60320, 61364, 67712, 68770, 69368, 76544, 76705, 84640, 85376, 86710, 95680, 96512, 106720, 110032, 120640, 122728, 135424, 137540, 138736, 153410, 169280, 170752, 173420, 191360, 199433, 213440, 220064, 241280, 245456, 275080, 277472, 306820, 338560, 346840, 382720, 398866, 426880, 440128, 482560, 490912, 550160, 554944, 613640, 677120, 693680, 797732, 853760, 880256, 981824, 997165, 1100320, 1109888, 1227280, 1387360, 1595464, 1760512, 1963648, 1994330, 2200640, 2219776, 2454560, 2774720, 3190928, 3927296, 3988660, 4401280, 4909120, 5549440, 6381856, 7977320, 8802560, 9818240, 11098880, 12763712, 15954640, 19636480, 25527424, 31909280, 51054848, 63818560, 127637120, 255274240]

約数ペア:

[(1, 255274240), (2, 127637120), (4, 63818560), (5, 51054848), (8, 31909280), (10, 25527424), (13, 19636480), (16, 15954640), (20, 12763712), (23, 11098880), (26, 9818240), (29, 8802560), (32, 7977320), (40, 6381856), (46, 5549440), (52, 4909120), (58, 4401280), (64, 3988660), (65, 3927296), (80, 3190928), (92, 2774720), (104, 2454560), (115, 2219776), (116, 2200640), (128, 1994330), (130, 1963648), (145, 1760512), (160, 1595464), (184, 1387360), (208, 1227280), (230, 1109888), (232, 1100320), (256, 997165), (260, 981824), (290, 880256), (299, 853760), (320, 797732), (368, 693680), (377, 677120), (416, 613640), (460, 554944), (464, 550160), (520, 490912), (529, 482560), (580, 440128), (598, 426880), (640, 398866), (667, 382720), (736, 346840), (754, 338560), (832, 306820), (920, 277472), (928, 275080), (1040, 245456), (1058, 241280), (1160, 220064), (1196, 213440), (1280, 199433), (1334, 191360), (1472, 173420), (1495, 170752), (1508, 169280), (1664, 153410), (1840, 138736), (1856, 137540), (1885, 135424), (2080, 122728), (2116, 120640), (2320, 110032), (2392, 106720), (2645, 96512), (2668, 95680), (2944, 86710), (2990, 85376), (3016, 84640), (3328, 76705), (3335, 76544), (3680, 69368), (3712, 68770), (3770, 67712), (4160, 61364), (4232, 60320), (4640, 55016), (4784, 53360), (5290, 48256), (5336, 47840), (5888, 43355), (5980, 42688), (6032, 42320), (6670, 38272), (6877, 37120), (7360, 34684), (7424, 34385), (7540, 33856), (8320, 30682), (8464, 30160), (8671, 29440), (9280, 27508), (9568, 26680), (10580, 24128), (10672, 23920), (11960, 21344), (12064, 21160), (13340, 19136), (13754, 18560), (14720, 17342), (15080, 16928), (15341, 16640)]