31350720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 106673904

約数和(自身を除く): 75323184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 113, 120, 136, 160, 170, 192, 204, 226, 240, 255, 272, 289, 320, 339, 340, 408, 452, 480, 510, 544, 565, 578, 678, 680, 816, 867, 904, 960, 1020, 1088, 1130, 1156, 1356, 1360, 1445, 1632, 1695, 1734, 1808, 1921, 2040, 2260, 2312, 2712, 2720, 2890, 3264, 3390, 3468, 3616, 3842, 4080, 4335, 4520, 4624, 5424, 5440, 5763, 5780, 6780, 6936, 7232, 7684, 8160, 8670, 9040, 9248, 9605, 10848, 11526, 11560, 13560, 13872, 15368, 16320, 17340, 18080, 18496, 19210, 21696, 23052, 23120, 27120, 27744, 28815, 30736, 32657, 34680, 36160, 38420, 46104, 46240, 54240, 55488, 57630, 61472, 65314, 69360, 76840, 92208, 92480, 97971, 108480, 115260, 122944, 130628, 138720, 153680, 163285, 184416, 195942, 230520, 261256, 277440, 307360, 326570, 368832, 391884, 461040, 489855, 522512, 614720, 653140, 783768, 922080, 979710, 1045024, 1306280, 1567536, 1844160, 1959420, 2090048, 2612560, 3135072, 3918840, 5225120, 6270144, 7837680, 10450240, 15675360, 31350720]

約数ペア:

[(1, 31350720), (2, 15675360), (3, 10450240), (4, 7837680), (5, 6270144), (6, 5225120), (8, 3918840), (10, 3135072), (12, 2612560), (15, 2090048), (16, 1959420), (17, 1844160), (20, 1567536), (24, 1306280), (30, 1045024), (32, 979710), (34, 922080), (40, 783768), (48, 653140), (51, 614720), (60, 522512), (64, 489855), (68, 461040), (80, 391884), (85, 368832), (96, 326570), (102, 307360), (113, 277440), (120, 261256), (136, 230520), (160, 195942), (170, 184416), (192, 163285), (204, 153680), (226, 138720), (240, 130628), (255, 122944), (272, 115260), (289, 108480), (320, 97971), (339, 92480), (340, 92208), (408, 76840), (452, 69360), (480, 65314), (510, 61472), (544, 57630), (565, 55488), (578, 54240), (678, 46240), (680, 46104), (816, 38420), (867, 36160), (904, 34680), (960, 32657), (1020, 30736), (1088, 28815), (1130, 27744), (1156, 27120), (1356, 23120), (1360, 23052), (1445, 21696), (1632, 19210), (1695, 18496), (1734, 18080), (1808, 17340), (1921, 16320), (2040, 15368), (2260, 13872), (2312, 13560), (2712, 11560), (2720, 11526), (2890, 10848), (3264, 9605), (3390, 9248), (3468, 9040), (3616, 8670), (3842, 8160), (4080, 7684), (4335, 7232), (4520, 6936), (4624, 6780), (5424, 5780), (5440, 5763)]