90416720

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 217486080

約数和(自身を除く): 127069360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 139, 173, 188, 235, 278, 346, 376, 470, 556, 692, 695, 752, 865, 940, 1112, 1384, 1390, 1730, 1880, 2224, 2768, 2780, 3460, 3760, 5560, 6533, 6920, 8131, 11120, 13066, 13840, 16262, 24047, 26132, 32524, 32665, 40655, 48094, 52264, 65048, 65330, 81310, 96188, 104528, 120235, 130096, 130660, 162620, 192376, 240470, 261320, 325240, 384752, 480940, 522640, 650480, 961880, 1130209, 1923760, 2260418, 4520836, 5651045, 9041672, 11302090, 18083344, 22604180, 45208360, 90416720]

約数ペア:

[(1, 90416720), (2, 45208360), (4, 22604180), (5, 18083344), (8, 11302090), (10, 9041672), (16, 5651045), (20, 4520836), (40, 2260418), (47, 1923760), (80, 1130209), (94, 961880), (139, 650480), (173, 522640), (188, 480940), (235, 384752), (278, 325240), (346, 261320), (376, 240470), (470, 192376), (556, 162620), (692, 130660), (695, 130096), (752, 120235), (865, 104528), (940, 96188), (1112, 81310), (1384, 65330), (1390, 65048), (1730, 52264), (1880, 48094), (2224, 40655), (2768, 32665), (2780, 32524), (3460, 26132), (3760, 24047), (5560, 16262), (6533, 13840), (6920, 13066), (8131, 11120)]