1387917520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1553

約数の個数: 160

約数和(自身を含む): 3754045440

約数和(自身を除く): 2366127920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 47, 55, 80, 88, 92, 94, 110, 115, 176, 184, 188, 220, 230, 235, 253, 368, 376, 440, 460, 470, 506, 517, 752, 880, 920, 940, 1012, 1034, 1081, 1265, 1459, 1840, 1880, 2024, 2068, 2162, 2530, 2585, 2918, 3760, 4048, 4136, 4324, 5060, 5170, 5405, 5836, 7295, 8272, 8648, 10120, 10340, 10810, 11672, 11891, 14590, 16049, 17296, 20240, 20680, 21620, 23344, 23782, 29180, 32098, 33557, 41360, 43240, 47564, 58360, 59455, 64196, 67114, 68573, 80245, 86480, 95128, 116720, 118910, 128392, 134228, 137146, 160490, 167785, 190256, 237820, 256784, 268456, 274292, 320980, 335570, 342865, 369127, 475640, 536912, 548584, 641960, 671140, 685730, 738254, 754303, 951280, 1097168, 1283920, 1342280, 1371460, 1476508, 1508606, 1577179, 1845635, 2684560, 2742920, 2953016, 3017212, 3154358, 3691270, 3771515, 5485840, 5906032, 6034424, 6308716, 7382540, 7543030, 7885895, 12068848, 12617432, 14765080, 15086060, 15771790, 17348969, 25234864, 29530160, 30172120, 31543580, 34697938, 60344240, 63087160, 69395876, 86744845, 126174320, 138791752, 173489690, 277583504, 346979380, 693958760, 1387917520]

約数ペア:

[(1, 1387917520), (2, 693958760), (4, 346979380), (5, 277583504), (8, 173489690), (10, 138791752), (11, 126174320), (16, 86744845), (20, 69395876), (22, 63087160), (23, 60344240), (40, 34697938), (44, 31543580), (46, 30172120), (47, 29530160), (55, 25234864), (80, 17348969), (88, 15771790), (92, 15086060), (94, 14765080), (110, 12617432), (115, 12068848), (176, 7885895), (184, 7543030), (188, 7382540), (220, 6308716), (230, 6034424), (235, 5906032), (253, 5485840), (368, 3771515), (376, 3691270), (440, 3154358), (460, 3017212), (470, 2953016), (506, 2742920), (517, 2684560), (752, 1845635), (880, 1577179), (920, 1508606), (940, 1476508), (1012, 1371460), (1034, 1342280), (1081, 1283920), (1265, 1097168), (1459, 951280), (1840, 754303), (1880, 738254), (2024, 685730), (2068, 671140), (2162, 641960), (2530, 548584), (2585, 536912), (2918, 475640), (3760, 369127), (4048, 342865), (4136, 335570), (4324, 320980), (5060, 274292), (5170, 268456), (5405, 256784), (5836, 237820), (7295, 190256), (8272, 167785), (8648, 160490), (10120, 137146), (10340, 134228), (10810, 128392), (11672, 118910), (11891, 116720), (14590, 95128), (16049, 86480), (17296, 80245), (20240, 68573), (20680, 67114), (21620, 64196), (23344, 59455), (23782, 58360), (29180, 47564), (32098, 43240), (33557, 41360)]