8230720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 84

約数和(自身を含む): 21054060

約数和(自身を除く): 12823340

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 89, 136, 160, 170, 178, 272, 289, 320, 340, 356, 445, 544, 578, 680, 712, 890, 1088, 1156, 1360, 1424, 1445, 1513, 1780, 2312, 2720, 2848, 2890, 3026, 3560, 4624, 5440, 5696, 5780, 6052, 7120, 7565, 9248, 11560, 12104, 14240, 15130, 18496, 23120, 24208, 25721, 28480, 30260, 46240, 48416, 51442, 60520, 92480, 96832, 102884, 121040, 128605, 205768, 242080, 257210, 411536, 484160, 514420, 823072, 1028840, 1646144, 2057680, 4115360, 8230720]

約数ペア:

[(1, 8230720), (2, 4115360), (4, 2057680), (5, 1646144), (8, 1028840), (10, 823072), (16, 514420), (17, 484160), (20, 411536), (32, 257210), (34, 242080), (40, 205768), (64, 128605), (68, 121040), (80, 102884), (85, 96832), (89, 92480), (136, 60520), (160, 51442), (170, 48416), (178, 46240), (272, 30260), (289, 28480), (320, 25721), (340, 24208), (356, 23120), (445, 18496), (544, 15130), (578, 14240), (680, 12104), (712, 11560), (890, 9248), (1088, 7565), (1156, 7120), (1360, 6052), (1424, 5780), (1445, 5696), (1513, 5440), (1780, 4624), (2312, 3560), (2720, 3026), (2848, 2890)]