81176340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27611}}^1$

素因数の和:27637

約数の個数: 72

約数和(自身を含む): 264412512

約数和(自身を除く): 183236172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27611, 55222, 82833, 110444, 138055, 165666, 193277, 276110, 331332, 386554, 414165, 552220, 579831, 773108, 828330, 966385, 1159662, 1352939, 1656660, 1932770, 2319324, 2705878, 2899155, 3865540, 4058817, 5411756, 5798310, 6764695, 8117634, 11596620, 13529390, 16235268, 20294085, 27058780, 40588170, 81176340]

約数ペア:

[(1, 81176340), (2, 40588170), (3, 27058780), (4, 20294085), (5, 16235268), (6, 13529390), (7, 11596620), (10, 8117634), (12, 6764695), (14, 5798310), (15, 5411756), (20, 4058817), (21, 3865540), (28, 2899155), (30, 2705878), (35, 2319324), (42, 1932770), (49, 1656660), (60, 1352939), (70, 1159662), (84, 966385), (98, 828330), (105, 773108), (140, 579831), (147, 552220), (196, 414165), (210, 386554), (245, 331332), (294, 276110), (420, 193277), (490, 165666), (588, 138055), (735, 110444), (980, 82833), (1470, 55222), (2940, 27611)]