128049170640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1215349}}^1$

素因数の和:1215804

約数の個数: 80

約数和(自身を含む): 397856976000

約数和(自身を除く): 269807805360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 439, 878, 1317, 1756, 2195, 2634, 3512, 4390, 5268, 6585, 7024, 8780, 10536, 13170, 17560, 21072, 26340, 35120, 52680, 105360, 1215349, 2430698, 3646047, 4861396, 6076745, 7292094, 9722792, 12153490, 14584188, 18230235, 19445584, 24306980, 29168376, 36460470, 48613960, 58336752, 72920940, 97227920, 145841880, 291683760, 533538211, 1067076422, 1600614633, 2134152844, 2667691055, 3201229266, 4268305688, 5335382110, 6402458532, 8003073165, 8536611376, 10670764220, 12804917064, 16006146330, 21341528440, 25609834128, 32012292660, 42683056880, 64024585320, 128049170640]

約数ペア:

[(1, 128049170640), (2, 64024585320), (3, 42683056880), (4, 32012292660), (5, 25609834128), (6, 21341528440), (8, 16006146330), (10, 12804917064), (12, 10670764220), (15, 8536611376), (16, 8003073165), (20, 6402458532), (24, 5335382110), (30, 4268305688), (40, 3201229266), (48, 2667691055), (60, 2134152844), (80, 1600614633), (120, 1067076422), (240, 533538211), (439, 291683760), (878, 145841880), (1317, 97227920), (1756, 72920940), (2195, 58336752), (2634, 48613960), (3512, 36460470), (4390, 29168376), (5268, 24306980), (6585, 19445584), (7024, 18230235), (8780, 14584188), (10536, 12153490), (13170, 9722792), (17560, 7292094), (21072, 6076745), (26340, 4861396), (35120, 3646047), (52680, 2430698), (105360, 1215349)]