313405920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{217643}}^1$

素因数の和:217664

約数の個数: 72

約数和(自身を含む): 1069502616

約数和(自身を除く): 756096696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 217643, 435286, 652929, 870572, 1088215, 1305858, 1741144, 1958787, 2176430, 2611716, 3264645, 3482288, 3917574, 4352860, 5223432, 6529290, 6964576, 7835148, 8705720, 9793935, 10446864, 13058580, 15670296, 17411440, 19587870, 20893728, 26117160, 31340592, 34822880, 39175740, 52234320, 62681184, 78351480, 104468640, 156702960, 313405920]

約数ペア:

[(1, 313405920), (2, 156702960), (3, 104468640), (4, 78351480), (5, 62681184), (6, 52234320), (8, 39175740), (9, 34822880), (10, 31340592), (12, 26117160), (15, 20893728), (16, 19587870), (18, 17411440), (20, 15670296), (24, 13058580), (30, 10446864), (32, 9793935), (36, 8705720), (40, 7835148), (45, 6964576), (48, 6529290), (60, 5223432), (72, 4352860), (80, 3917574), (90, 3482288), (96, 3264645), (120, 2611716), (144, 2176430), (160, 1958787), (180, 1741144), (240, 1305858), (288, 1088215), (360, 870572), (480, 652929), (720, 435286), (1440, 217643)]