15678886880

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{420571}}^1$

素因数の和:420819

約数の個数: 48

約数和(自身を含む): 37200434544

約数和(自身を除く): 21521547664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 7456, 9320, 18640, 37280, 420571, 841142, 1682284, 2102855, 3364568, 4205710, 6729136, 8411420, 13458272, 16822840, 33645680, 67291360, 97993043, 195986086, 391972172, 489965215, 783944344, 979930430, 1567888688, 1959860860, 3135777376, 3919721720, 7839443440, 15678886880]

約数ペア:

[(1, 15678886880), (2, 7839443440), (4, 3919721720), (5, 3135777376), (8, 1959860860), (10, 1567888688), (16, 979930430), (20, 783944344), (32, 489965215), (40, 391972172), (80, 195986086), (160, 97993043), (233, 67291360), (466, 33645680), (932, 16822840), (1165, 13458272), (1864, 8411420), (2330, 6729136), (3728, 4205710), (4660, 3364568), (7456, 2102855), (9320, 1682284), (18640, 841142), (37280, 420571)]