257835520

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 671742720

約数和(自身を除く): 413907200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 92, 115, 116, 128, 145, 151, 160, 184, 230, 232, 256, 290, 302, 320, 368, 460, 464, 512, 580, 604, 640, 667, 736, 755, 920, 928, 1160, 1208, 1280, 1334, 1472, 1510, 1840, 1856, 2320, 2416, 2560, 2668, 2944, 3020, 3335, 3473, 3680, 3712, 4379, 4640, 4832, 5336, 5888, 6040, 6670, 6946, 7360, 7424, 8758, 9280, 9664, 10672, 11776, 12080, 13340, 13892, 14720, 14848, 17365, 17516, 18560, 19328, 21344, 21895, 24160, 26680, 27784, 29440, 34730, 35032, 37120, 38656, 42688, 43790, 48320, 53360, 55568, 58880, 69460, 70064, 74240, 77312, 85376, 87580, 96640, 100717, 106720, 111136, 138920, 140128, 170752, 175160, 193280, 201434, 213440, 222272, 277840, 280256, 341504, 350320, 386560, 402868, 426880, 444544, 503585, 555680, 560512, 700640, 805736, 853760, 889088, 1007170, 1111360, 1121024, 1401280, 1611472, 1707520, 1778176, 2014340, 2222720, 2242048, 2802560, 3222944, 4028680, 4445440, 5605120, 6445888, 8057360, 8890880, 11210240, 12891776, 16114720, 25783552, 32229440, 51567104, 64458880, 128917760, 257835520]

約数ペア:

[(1, 257835520), (2, 128917760), (4, 64458880), (5, 51567104), (8, 32229440), (10, 25783552), (16, 16114720), (20, 12891776), (23, 11210240), (29, 8890880), (32, 8057360), (40, 6445888), (46, 5605120), (58, 4445440), (64, 4028680), (80, 3222944), (92, 2802560), (115, 2242048), (116, 2222720), (128, 2014340), (145, 1778176), (151, 1707520), (160, 1611472), (184, 1401280), (230, 1121024), (232, 1111360), (256, 1007170), (290, 889088), (302, 853760), (320, 805736), (368, 700640), (460, 560512), (464, 555680), (512, 503585), (580, 444544), (604, 426880), (640, 402868), (667, 386560), (736, 350320), (755, 341504), (920, 280256), (928, 277840), (1160, 222272), (1208, 213440), (1280, 201434), (1334, 193280), (1472, 175160), (1510, 170752), (1840, 140128), (1856, 138920), (2320, 111136), (2416, 106720), (2560, 100717), (2668, 96640), (2944, 87580), (3020, 85376), (3335, 77312), (3473, 74240), (3680, 70064), (3712, 69460), (4379, 58880), (4640, 55568), (4832, 53360), (5336, 48320), (5888, 43790), (6040, 42688), (6670, 38656), (6946, 37120), (7360, 35032), (7424, 34730), (8758, 29440), (9280, 27784), (9664, 26680), (10672, 24160), (11776, 21895), (12080, 21344), (13340, 19328), (13892, 18560), (14720, 17516), (14848, 17365)]