78985620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62687}}^1$

素因数の和:62709

約数の個数: 72

約数和(自身を含む): 273821184

約数和(自身を除く): 194835564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62687, 125374, 188061, 250748, 313435, 376122, 438809, 564183, 626870, 752244, 877618, 940305, 1128366, 1253740, 1316427, 1755236, 1880610, 2194045, 2256732, 2632854, 2820915, 3761220, 3949281, 4388090, 5265708, 5641830, 6582135, 7898562, 8776180, 11283660, 13164270, 15797124, 19746405, 26328540, 39492810, 78985620]

約数ペア:

[(1, 78985620), (2, 39492810), (3, 26328540), (4, 19746405), (5, 15797124), (6, 13164270), (7, 11283660), (9, 8776180), (10, 7898562), (12, 6582135), (14, 5641830), (15, 5265708), (18, 4388090), (20, 3949281), (21, 3761220), (28, 2820915), (30, 2632854), (35, 2256732), (36, 2194045), (42, 1880610), (45, 1755236), (60, 1316427), (63, 1253740), (70, 1128366), (84, 940305), (90, 877618), (105, 752244), (126, 626870), (140, 564183), (180, 438809), (210, 376122), (252, 313435), (315, 250748), (420, 188061), (630, 125374), (1260, 62687)]