261258720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 192

約数和(自身を含む): 882778176

約数和(自身を除く): 621519456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 101, 102, 120, 136, 160, 170, 202, 204, 240, 255, 272, 303, 317, 340, 404, 408, 480, 505, 510, 544, 606, 634, 680, 808, 816, 951, 1010, 1020, 1212, 1268, 1360, 1515, 1585, 1616, 1632, 1717, 1902, 2020, 2040, 2424, 2536, 2720, 3030, 3170, 3232, 3434, 3804, 4040, 4080, 4755, 4848, 5072, 5151, 5389, 6060, 6340, 6868, 7608, 8080, 8160, 8585, 9510, 9696, 10144, 10302, 10778, 12120, 12680, 13736, 15216, 16160, 16167, 17170, 19020, 20604, 21556, 24240, 25360, 25755, 26945, 27472, 30432, 32017, 32334, 34340, 38040, 41208, 43112, 48480, 50720, 51510, 53890, 54944, 64034, 64668, 68680, 76080, 80835, 82416, 86224, 96051, 103020, 107780, 128068, 129336, 137360, 152160, 160085, 161670, 164832, 172448, 192102, 206040, 215560, 256136, 258672, 274720, 320170, 323340, 384204, 412080, 431120, 480255, 512272, 517344, 544289, 640340, 646680, 768408, 824160, 862240, 960510, 1024544, 1088578, 1280680, 1293360, 1536816, 1632867, 1921020, 2177156, 2561360, 2586720, 2721445, 3073632, 3265734, 3842040, 4354312, 5122720, 5442890, 6531468, 7684080, 8164335, 8708624, 10885780, 13062936, 15368160, 16328670, 17417248, 21771560, 26125872, 32657340, 43543120, 52251744, 65314680, 87086240, 130629360, 261258720]

約数ペア:

[(1, 261258720), (2, 130629360), (3, 87086240), (4, 65314680), (5, 52251744), (6, 43543120), (8, 32657340), (10, 26125872), (12, 21771560), (15, 17417248), (16, 16328670), (17, 15368160), (20, 13062936), (24, 10885780), (30, 8708624), (32, 8164335), (34, 7684080), (40, 6531468), (48, 5442890), (51, 5122720), (60, 4354312), (68, 3842040), (80, 3265734), (85, 3073632), (96, 2721445), (101, 2586720), (102, 2561360), (120, 2177156), (136, 1921020), (160, 1632867), (170, 1536816), (202, 1293360), (204, 1280680), (240, 1088578), (255, 1024544), (272, 960510), (303, 862240), (317, 824160), (340, 768408), (404, 646680), (408, 640340), (480, 544289), (505, 517344), (510, 512272), (544, 480255), (606, 431120), (634, 412080), (680, 384204), (808, 323340), (816, 320170), (951, 274720), (1010, 258672), (1020, 256136), (1212, 215560), (1268, 206040), (1360, 192102), (1515, 172448), (1585, 164832), (1616, 161670), (1632, 160085), (1717, 152160), (1902, 137360), (2020, 129336), (2040, 128068), (2424, 107780), (2536, 103020), (2720, 96051), (3030, 86224), (3170, 82416), (3232, 80835), (3434, 76080), (3804, 68680), (4040, 64668), (4080, 64034), (4755, 54944), (4848, 53890), (5072, 51510), (5151, 50720), (5389, 48480), (6060, 43112), (6340, 41208), (6868, 38040), (7608, 34340), (8080, 32334), (8160, 32017), (8585, 30432), (9510, 27472), (9696, 26945), (10144, 25755), (10302, 25360), (10778, 24240), (12120, 21556), (12680, 20604), (13736, 19020), (15216, 17170), (16160, 16167)]