81821904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1332

約数の個数: 80

約数和(自身を含む): 225729600

約数和(自身を除く): 143907696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 73, 76, 114, 146, 152, 219, 228, 292, 304, 438, 456, 584, 876, 912, 1168, 1229, 1387, 1752, 2458, 2774, 3504, 3687, 4161, 4916, 5548, 7374, 8322, 9832, 11096, 14748, 16644, 19664, 22192, 23351, 29496, 33288, 46702, 58992, 66576, 70053, 89717, 93404, 140106, 179434, 186808, 269151, 280212, 358868, 373616, 538302, 560424, 717736, 1076604, 1120848, 1435472, 1704623, 2153208, 3409246, 4306416, 5113869, 6818492, 10227738, 13636984, 20455476, 27273968, 40910952, 81821904]

約数ペア:

[(1, 81821904), (2, 40910952), (3, 27273968), (4, 20455476), (6, 13636984), (8, 10227738), (12, 6818492), (16, 5113869), (19, 4306416), (24, 3409246), (38, 2153208), (48, 1704623), (57, 1435472), (73, 1120848), (76, 1076604), (114, 717736), (146, 560424), (152, 538302), (219, 373616), (228, 358868), (292, 280212), (304, 269151), (438, 186808), (456, 179434), (584, 140106), (876, 93404), (912, 89717), (1168, 70053), (1229, 66576), (1387, 58992), (1752, 46702), (2458, 33288), (2774, 29496), (3504, 23351), (3687, 22192), (4161, 19664), (4916, 16644), (5548, 14748), (7374, 11096), (8322, 9832)]