7940340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1469

約数の個数: 72

約数和(自身を含む): 24880128

約数和(自身を除く): 16939788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1423, 1860, 2790, 2846, 4269, 5580, 5692, 7115, 8538, 12807, 14230, 17076, 21345, 25614, 28460, 42690, 44113, 51228, 64035, 85380, 88226, 128070, 132339, 176452, 220565, 256140, 264678, 397017, 441130, 529356, 661695, 794034, 882260, 1323390, 1588068, 1985085, 2646780, 3970170, 7940340]

約数ペア:

[(1, 7940340), (2, 3970170), (3, 2646780), (4, 1985085), (5, 1588068), (6, 1323390), (9, 882260), (10, 794034), (12, 661695), (15, 529356), (18, 441130), (20, 397017), (30, 264678), (31, 256140), (36, 220565), (45, 176452), (60, 132339), (62, 128070), (90, 88226), (93, 85380), (124, 64035), (155, 51228), (180, 44113), (186, 42690), (279, 28460), (310, 25614), (372, 21345), (465, 17076), (558, 14230), (620, 12807), (930, 8538), (1116, 7115), (1395, 5692), (1423, 5580), (1860, 4269), (2790, 2846)]