73981740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 237888000

約数和(自身を除く): 163906260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 353, 420, 499, 706, 998, 1059, 1412, 1497, 1765, 1996, 2118, 2471, 2495, 2994, 3493, 3530, 4236, 4942, 4990, 5295, 5988, 6986, 7060, 7413, 7485, 9884, 9980, 10479, 10590, 12355, 13972, 14826, 14970, 17465, 20958, 21180, 24710, 29652, 29940, 34930, 37065, 41916, 49420, 52395, 69860, 74130, 104790, 148260, 176147, 209580, 352294, 528441, 704588, 880735, 1056882, 1233029, 1761470, 2113764, 2466058, 2642205, 3522940, 3699087, 4932116, 5284410, 6165145, 7398174, 10568820, 12330290, 14796348, 18495435, 24660580, 36990870, 73981740]

約数ペア:

[(1, 73981740), (2, 36990870), (3, 24660580), (4, 18495435), (5, 14796348), (6, 12330290), (7, 10568820), (10, 7398174), (12, 6165145), (14, 5284410), (15, 4932116), (20, 3699087), (21, 3522940), (28, 2642205), (30, 2466058), (35, 2113764), (42, 1761470), (60, 1233029), (70, 1056882), (84, 880735), (105, 704588), (140, 528441), (210, 352294), (353, 209580), (420, 176147), (499, 148260), (706, 104790), (998, 74130), (1059, 69860), (1412, 52395), (1497, 49420), (1765, 41916), (1996, 37065), (2118, 34930), (2471, 29940), (2495, 29652), (2994, 24710), (3493, 21180), (3530, 20958), (4236, 17465), (4942, 14970), (4990, 14826), (5295, 13972), (5988, 12355), (6986, 10590), (7060, 10479), (7413, 9980), (7485, 9884)]