278791680

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1228

約数の個数: 160

約数和(自身を含む): 920798208

約数和(自身を除く): 642006528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1171, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2342, 2480, 2560, 2976, 3513, 3720, 3840, 3968, 4684, 4960, 5855, 5952, 7026, 7440, 7680, 7936, 9368, 9920, 11710, 11904, 14052, 14880, 15872, 17565, 18736, 19840, 23420, 23808, 28104, 29760, 35130, 36301, 37472, 39680, 46840, 47616, 56208, 59520, 70260, 72602, 74944, 79360, 93680, 108903, 112416, 119040, 140520, 145204, 149888, 181505, 187360, 217806, 224832, 238080, 281040, 290408, 299776, 363010, 374720, 435612, 449664, 544515, 562080, 580816, 599552, 726020, 749440, 871224, 899328, 1089030, 1124160, 1161632, 1452040, 1498880, 1742448, 1798656, 2178060, 2248320, 2323264, 2904080, 2997760, 3484896, 4356120, 4496640, 4646528, 5808160, 6969792, 8712240, 8993280, 9293056, 11616320, 13939584, 17424480, 18586112, 23232640, 27879168, 34848960, 46465280, 55758336, 69697920, 92930560, 139395840, 278791680]

約数ペア:

[(1, 278791680), (2, 139395840), (3, 92930560), (4, 69697920), (5, 55758336), (6, 46465280), (8, 34848960), (10, 27879168), (12, 23232640), (15, 18586112), (16, 17424480), (20, 13939584), (24, 11616320), (30, 9293056), (31, 8993280), (32, 8712240), (40, 6969792), (48, 5808160), (60, 4646528), (62, 4496640), (64, 4356120), (80, 3484896), (93, 2997760), (96, 2904080), (120, 2323264), (124, 2248320), (128, 2178060), (155, 1798656), (160, 1742448), (186, 1498880), (192, 1452040), (240, 1161632), (248, 1124160), (256, 1089030), (310, 899328), (320, 871224), (372, 749440), (384, 726020), (465, 599552), (480, 580816), (496, 562080), (512, 544515), (620, 449664), (640, 435612), (744, 374720), (768, 363010), (930, 299776), (960, 290408), (992, 281040), (1171, 238080), (1240, 224832), (1280, 217806), (1488, 187360), (1536, 181505), (1860, 149888), (1920, 145204), (1984, 140520), (2342, 119040), (2480, 112416), (2560, 108903), (2976, 93680), (3513, 79360), (3720, 74944), (3840, 72602), (3968, 70260), (4684, 59520), (4960, 56208), (5855, 47616), (5952, 46840), (7026, 39680), (7440, 37472), (7680, 36301), (7936, 35130), (9368, 29760), (9920, 28104), (11710, 23808), (11904, 23420), (14052, 19840), (14880, 18736), (15872, 17565)]