128816520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153353}}^1$

素因数の和:153374

約数の個数: 64

約数和(自身を含む): 441659520

約数和(自身を除く): 312843000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153353, 306706, 460059, 613412, 766765, 920118, 1073471, 1226824, 1533530, 1840236, 2146942, 2300295, 3067060, 3220413, 3680472, 4293884, 4600590, 5367355, 6134120, 6440826, 8587768, 9201180, 10734710, 12881652, 16102065, 18402360, 21469420, 25763304, 32204130, 42938840, 64408260, 128816520]

約数ペア:

[(1, 128816520), (2, 64408260), (3, 42938840), (4, 32204130), (5, 25763304), (6, 21469420), (7, 18402360), (8, 16102065), (10, 12881652), (12, 10734710), (14, 9201180), (15, 8587768), (20, 6440826), (21, 6134120), (24, 5367355), (28, 4600590), (30, 4293884), (35, 3680472), (40, 3220413), (42, 3067060), (56, 2300295), (60, 2146942), (70, 1840236), (84, 1533530), (105, 1226824), (120, 1073471), (140, 920118), (168, 766765), (210, 613412), (280, 460059), (420, 306706), (840, 153353)]