918961520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 160

約数和(自身を含む): 2375847936

約数和(自身を除く): 1456886416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 71, 80, 85, 124, 136, 142, 155, 170, 248, 272, 284, 307, 310, 340, 355, 496, 527, 568, 614, 620, 680, 710, 1054, 1136, 1207, 1228, 1240, 1360, 1420, 1535, 2108, 2201, 2414, 2456, 2480, 2635, 2840, 3070, 4216, 4402, 4828, 4912, 5219, 5270, 5680, 6035, 6140, 8432, 8804, 9517, 9656, 10438, 10540, 11005, 12070, 12280, 17608, 19034, 19312, 20876, 21080, 21797, 22010, 24140, 24560, 26095, 35216, 37417, 38068, 41752, 42160, 43594, 44020, 47585, 48280, 52190, 74834, 76136, 83504, 87188, 88040, 95170, 96560, 104380, 108985, 149668, 152272, 161789, 174376, 176080, 187085, 190340, 208760, 217970, 299336, 323578, 348752, 370549, 374170, 380680, 417520, 435940, 598672, 647156, 675707, 741098, 748340, 761360, 808945, 871880, 1294312, 1351414, 1482196, 1496680, 1617890, 1743760, 1852745, 2588624, 2702828, 2964392, 2993360, 3235780, 3378535, 3705490, 5405656, 5928784, 6471560, 6757070, 7410980, 10811312, 11487019, 12943120, 13514140, 14821960, 22974038, 27028280, 29643920, 45948076, 54056560, 57435095, 91896152, 114870190, 183792304, 229740380, 459480760, 918961520]

約数ペア:

[(1, 918961520), (2, 459480760), (4, 229740380), (5, 183792304), (8, 114870190), (10, 91896152), (16, 57435095), (17, 54056560), (20, 45948076), (31, 29643920), (34, 27028280), (40, 22974038), (62, 14821960), (68, 13514140), (71, 12943120), (80, 11487019), (85, 10811312), (124, 7410980), (136, 6757070), (142, 6471560), (155, 5928784), (170, 5405656), (248, 3705490), (272, 3378535), (284, 3235780), (307, 2993360), (310, 2964392), (340, 2702828), (355, 2588624), (496, 1852745), (527, 1743760), (568, 1617890), (614, 1496680), (620, 1482196), (680, 1351414), (710, 1294312), (1054, 871880), (1136, 808945), (1207, 761360), (1228, 748340), (1240, 741098), (1360, 675707), (1420, 647156), (1535, 598672), (2108, 435940), (2201, 417520), (2414, 380680), (2456, 374170), (2480, 370549), (2635, 348752), (2840, 323578), (3070, 299336), (4216, 217970), (4402, 208760), (4828, 190340), (4912, 187085), (5219, 176080), (5270, 174376), (5680, 161789), (6035, 152272), (6140, 149668), (8432, 108985), (8804, 104380), (9517, 96560), (9656, 95170), (10438, 88040), (10540, 87188), (11005, 83504), (12070, 76136), (12280, 74834), (17608, 52190), (19034, 48280), (19312, 47585), (20876, 44020), (21080, 43594), (21797, 42160), (22010, 41752), (24140, 38068), (24560, 37417), (26095, 35216)]