308702320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 809948160

約数和(自身を除く): 501245840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 71, 80, 85, 92, 115, 136, 139, 142, 170, 184, 230, 272, 278, 284, 340, 355, 368, 391, 460, 556, 568, 680, 695, 710, 782, 920, 1112, 1136, 1207, 1360, 1390, 1420, 1564, 1633, 1840, 1955, 2224, 2363, 2414, 2780, 2840, 3128, 3197, 3266, 3910, 4726, 4828, 5560, 5680, 6035, 6256, 6394, 6532, 7820, 8165, 9452, 9656, 9869, 11120, 11815, 12070, 12788, 13064, 15640, 15985, 16330, 18904, 19312, 19738, 23630, 24140, 25576, 26128, 27761, 31280, 31970, 32660, 37808, 39476, 47260, 48280, 49345, 51152, 54349, 55522, 63940, 65320, 78952, 94520, 96560, 98690, 108698, 111044, 127880, 130640, 138805, 157904, 167773, 189040, 197380, 217396, 222088, 226987, 255760, 271745, 277610, 335546, 394760, 434792, 444176, 453974, 543490, 555220, 671092, 789520, 838865, 869584, 907948, 1086980, 1110440, 1134935, 1342184, 1677730, 1815896, 2173960, 2220880, 2269870, 2684368, 3355460, 3631792, 3858779, 4347920, 4539740, 6710920, 7717558, 9079480, 13421840, 15435116, 18158960, 19293895, 30870232, 38587790, 61740464, 77175580, 154351160, 308702320]

約数ペア:

[(1, 308702320), (2, 154351160), (4, 77175580), (5, 61740464), (8, 38587790), (10, 30870232), (16, 19293895), (17, 18158960), (20, 15435116), (23, 13421840), (34, 9079480), (40, 7717558), (46, 6710920), (68, 4539740), (71, 4347920), (80, 3858779), (85, 3631792), (92, 3355460), (115, 2684368), (136, 2269870), (139, 2220880), (142, 2173960), (170, 1815896), (184, 1677730), (230, 1342184), (272, 1134935), (278, 1110440), (284, 1086980), (340, 907948), (355, 869584), (368, 838865), (391, 789520), (460, 671092), (556, 555220), (568, 543490), (680, 453974), (695, 444176), (710, 434792), (782, 394760), (920, 335546), (1112, 277610), (1136, 271745), (1207, 255760), (1360, 226987), (1390, 222088), (1420, 217396), (1564, 197380), (1633, 189040), (1840, 167773), (1955, 157904), (2224, 138805), (2363, 130640), (2414, 127880), (2780, 111044), (2840, 108698), (3128, 98690), (3197, 96560), (3266, 94520), (3910, 78952), (4726, 65320), (4828, 63940), (5560, 55522), (5680, 54349), (6035, 51152), (6256, 49345), (6394, 48280), (6532, 47260), (7820, 39476), (8165, 37808), (9452, 32660), (9656, 31970), (9869, 31280), (11120, 27761), (11815, 26128), (12070, 25576), (12788, 24140), (13064, 23630), (15640, 19738), (15985, 19312), (16330, 18904)]