668736464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6520

約数の個数: 80

約数和(自身を含む): 1536092160

約数和(自身を除く): 867355696

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2728, 3344, 4712, 5456, 6451, 6479, 9424, 12902, 12958, 25804, 25916, 51608, 51832, 70961, 103216, 103664, 122569, 141922, 199981, 245138, 283844, 399962, 490276, 567688, 799924, 980552, 1135376, 1348259, 1599848, 1961104, 2199791, 2696518, 3199696, 3799639, 4399582, 5393036, 7599278, 8799164, 10786072, 15198556, 17598328, 21572144, 30397112, 35196656, 41796029, 60794224, 83592058, 167184116, 334368232, 668736464]

約数ペア:

[(1, 668736464), (2, 334368232), (4, 167184116), (8, 83592058), (11, 60794224), (16, 41796029), (19, 35196656), (22, 30397112), (31, 21572144), (38, 17598328), (44, 15198556), (62, 10786072), (76, 8799164), (88, 7599278), (124, 5393036), (152, 4399582), (176, 3799639), (209, 3199696), (248, 2696518), (304, 2199791), (341, 1961104), (418, 1599848), (496, 1348259), (589, 1135376), (682, 980552), (836, 799924), (1178, 567688), (1364, 490276), (1672, 399962), (2356, 283844), (2728, 245138), (3344, 199981), (4712, 141922), (5456, 122569), (6451, 103664), (6479, 103216), (9424, 70961), (12902, 51832), (12958, 51608), (25804, 25916)]