31234560

素因数分解:

$2^9\times 3^1\times 5^1\times 7^2\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 117554976

約数和(自身を除く): 86320416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 83, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 166, 168, 192, 196, 210, 224, 240, 245, 249, 256, 280, 294, 320, 332, 336, 384, 392, 415, 420, 448, 480, 490, 498, 512, 560, 581, 588, 640, 664, 672, 735, 768, 784, 830, 840, 896, 960, 980, 996, 1120, 1162, 1176, 1245, 1280, 1328, 1344, 1470, 1536, 1568, 1660, 1680, 1743, 1792, 1920, 1960, 1992, 2240, 2324, 2352, 2490, 2560, 2656, 2688, 2905, 2940, 3136, 3320, 3360, 3486, 3584, 3840, 3920, 3984, 4067, 4480, 4648, 4704, 4980, 5312, 5376, 5810, 5880, 6272, 6640, 6720, 6972, 7680, 7840, 7968, 8134, 8715, 8960, 9296, 9408, 9960, 10624, 10752, 11620, 11760, 12201, 12544, 13280, 13440, 13944, 15680, 15936, 16268, 17430, 17920, 18592, 18816, 19920, 20335, 21248, 23240, 23520, 24402, 25088, 26560, 26880, 27888, 31360, 31872, 32536, 34860, 37184, 37632, 39840, 40670, 42496, 46480, 47040, 48804, 53120, 53760, 55776, 61005, 62720, 63744, 65072, 69720, 74368, 75264, 79680, 81340, 92960, 94080, 97608, 106240, 111552, 122010, 125440, 127488, 130144, 139440, 148736, 159360, 162680, 185920, 188160, 195216, 212480, 223104, 244020, 260288, 278880, 297472, 318720, 325360, 371840, 376320, 390432, 446208, 488040, 520576, 557760, 637440, 650720, 743680, 780864, 892416, 976080, 1041152, 1115520, 1301440, 1487360, 1561728, 1952160, 2082304, 2231040, 2602880, 3123456, 3904320, 4462080, 5205760, 6246912, 7808640, 10411520, 15617280, 31234560]

約数ペア:

[(1, 31234560), (2, 15617280), (3, 10411520), (4, 7808640), (5, 6246912), (6, 5205760), (7, 4462080), (8, 3904320), (10, 3123456), (12, 2602880), (14, 2231040), (15, 2082304), (16, 1952160), (20, 1561728), (21, 1487360), (24, 1301440), (28, 1115520), (30, 1041152), (32, 976080), (35, 892416), (40, 780864), (42, 743680), (48, 650720), (49, 637440), (56, 557760), (60, 520576), (64, 488040), (70, 446208), (80, 390432), (83, 376320), (84, 371840), (96, 325360), (98, 318720), (105, 297472), (112, 278880), (120, 260288), (128, 244020), (140, 223104), (147, 212480), (160, 195216), (166, 188160), (168, 185920), (192, 162680), (196, 159360), (210, 148736), (224, 139440), (240, 130144), (245, 127488), (249, 125440), (256, 122010), (280, 111552), (294, 106240), (320, 97608), (332, 94080), (336, 92960), (384, 81340), (392, 79680), (415, 75264), (420, 74368), (448, 69720), (480, 65072), (490, 63744), (498, 62720), (512, 61005), (560, 55776), (581, 53760), (588, 53120), (640, 48804), (664, 47040), (672, 46480), (735, 42496), (768, 40670), (784, 39840), (830, 37632), (840, 37184), (896, 34860), (960, 32536), (980, 31872), (996, 31360), (1120, 27888), (1162, 26880), (1176, 26560), (1245, 25088), (1280, 24402), (1328, 23520), (1344, 23240), (1470, 21248), (1536, 20335), (1568, 19920), (1660, 18816), (1680, 18592), (1743, 17920), (1792, 17430), (1920, 16268), (1960, 15936), (1992, 15680), (2240, 13944), (2324, 13440), (2352, 13280), (2490, 12544), (2560, 12201), (2656, 11760), (2688, 11620), (2905, 10752), (2940, 10624), (3136, 9960), (3320, 9408), (3360, 9296), (3486, 8960), (3584, 8715), (3840, 8134), (3920, 7968), (3984, 7840), (4067, 7680), (4480, 6972), (4648, 6720), (4704, 6640), (4980, 6272), (5312, 5880), (5376, 5810)]