80655660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2749}}^1$

素因数の和:2927

約数の個数: 72

約数和(自身を含む): 246246000

約数和(自身を除く): 165590340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2749, 2934, 3260, 4890, 5498, 5868, 7335, 8247, 9780, 10996, 13745, 14670, 16494, 24741, 27490, 29340, 32988, 41235, 49482, 54980, 82470, 98964, 123705, 164940, 247410, 448087, 494820, 896174, 1344261, 1792348, 2240435, 2688522, 4032783, 4480870, 5377044, 6721305, 8065566, 8961740, 13442610, 16131132, 20163915, 26885220, 40327830, 80655660]

約数ペア:

[(1, 80655660), (2, 40327830), (3, 26885220), (4, 20163915), (5, 16131132), (6, 13442610), (9, 8961740), (10, 8065566), (12, 6721305), (15, 5377044), (18, 4480870), (20, 4032783), (30, 2688522), (36, 2240435), (45, 1792348), (60, 1344261), (90, 896174), (163, 494820), (180, 448087), (326, 247410), (489, 164940), (652, 123705), (815, 98964), (978, 82470), (1467, 54980), (1630, 49482), (1956, 41235), (2445, 32988), (2749, 29340), (2934, 27490), (3260, 24741), (4890, 16494), (5498, 14670), (5868, 13745), (7335, 10996), (8247, 9780)]