31002880

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 75828312

約数和(自身を除く): 44825432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 457, 530, 640, 848, 914, 1060, 1280, 1696, 1828, 2120, 2285, 3392, 3656, 4240, 4570, 6784, 7312, 8480, 9140, 13568, 14624, 16960, 18280, 24221, 29248, 33920, 36560, 48442, 58496, 67840, 73120, 96884, 116992, 121105, 146240, 193768, 242210, 292480, 387536, 484420, 584960, 775072, 968840, 1550144, 1937680, 3100288, 3875360, 6200576, 7750720, 15501440, 31002880]

約数ペア:

[(1, 31002880), (2, 15501440), (4, 7750720), (5, 6200576), (8, 3875360), (10, 3100288), (16, 1937680), (20, 1550144), (32, 968840), (40, 775072), (53, 584960), (64, 484420), (80, 387536), (106, 292480), (128, 242210), (160, 193768), (212, 146240), (256, 121105), (265, 116992), (320, 96884), (424, 73120), (457, 67840), (530, 58496), (640, 48442), (848, 36560), (914, 33920), (1060, 29248), (1280, 24221), (1696, 18280), (1828, 16960), (2120, 14624), (2285, 13568), (3392, 9140), (3656, 8480), (4240, 7312), (4570, 6784)]