1115664040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 2721600000

約数和(自身を除く): 1605935960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 139, 152, 179, 190, 236, 278, 295, 358, 380, 472, 556, 590, 695, 716, 760, 895, 1112, 1121, 1180, 1390, 1432, 1790, 2242, 2360, 2641, 2780, 3401, 3580, 4484, 5282, 5560, 5605, 6802, 7160, 8201, 8968, 10561, 10564, 11210, 13205, 13604, 16402, 17005, 21122, 21128, 22420, 24881, 26410, 27208, 32804, 34010, 41005, 42244, 44840, 49762, 52805, 52820, 65608, 68020, 82010, 84488, 99524, 105610, 105640, 124405, 136040, 155819, 164020, 199048, 200659, 211220, 248810, 311638, 328040, 401318, 422440, 472739, 497620, 623276, 779095, 802636, 945478, 995240, 1003295, 1246552, 1467979, 1558190, 1605272, 1890956, 2006590, 2363695, 2935958, 3116380, 3781912, 4013180, 4727390, 5871916, 6232760, 7339895, 8026360, 9454780, 11743832, 14679790, 18909560, 27891601, 29359580, 55783202, 58719160, 111566404, 139458005, 223132808, 278916010, 557832020, 1115664040]

約数ペア:

[(1, 1115664040), (2, 557832020), (4, 278916010), (5, 223132808), (8, 139458005), (10, 111566404), (19, 58719160), (20, 55783202), (38, 29359580), (40, 27891601), (59, 18909560), (76, 14679790), (95, 11743832), (118, 9454780), (139, 8026360), (152, 7339895), (179, 6232760), (190, 5871916), (236, 4727390), (278, 4013180), (295, 3781912), (358, 3116380), (380, 2935958), (472, 2363695), (556, 2006590), (590, 1890956), (695, 1605272), (716, 1558190), (760, 1467979), (895, 1246552), (1112, 1003295), (1121, 995240), (1180, 945478), (1390, 802636), (1432, 779095), (1790, 623276), (2242, 497620), (2360, 472739), (2641, 422440), (2780, 401318), (3401, 328040), (3580, 311638), (4484, 248810), (5282, 211220), (5560, 200659), (5605, 199048), (6802, 164020), (7160, 155819), (8201, 136040), (8968, 124405), (10561, 105640), (10564, 105610), (11210, 99524), (13205, 84488), (13604, 82010), (16402, 68020), (17005, 65608), (21122, 52820), (21128, 52805), (22420, 49762), (24881, 44840), (26410, 42244), (27208, 41005), (32804, 34010)]