240771680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 623863296

約数和(自身を除く): 383091616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 68, 80, 82, 85, 127, 136, 160, 164, 170, 205, 254, 272, 289, 328, 340, 410, 508, 544, 578, 635, 656, 680, 697, 820, 1016, 1156, 1270, 1312, 1360, 1394, 1445, 1640, 2032, 2159, 2312, 2540, 2720, 2788, 2890, 3280, 3485, 4064, 4318, 4624, 5080, 5207, 5576, 5780, 6560, 6970, 8636, 9248, 10160, 10414, 10795, 11152, 11560, 11849, 13940, 17272, 20320, 20828, 21590, 22304, 23120, 23698, 26035, 27880, 34544, 36703, 41656, 43180, 46240, 47396, 52070, 55760, 59245, 69088, 73406, 83312, 86360, 88519, 94792, 104140, 111520, 118490, 146812, 166624, 172720, 177038, 183515, 189584, 208280, 236980, 293624, 345440, 354076, 367030, 379168, 416560, 442595, 473960, 587248, 708152, 734060, 833120, 885190, 947920, 1174496, 1416304, 1468120, 1504823, 1770380, 1895840, 2832608, 2936240, 3009646, 3540760, 5872480, 6019292, 7081520, 7524115, 12038584, 14163040, 15048230, 24077168, 30096460, 48154336, 60192920, 120385840, 240771680]

約数ペア:

[(1, 240771680), (2, 120385840), (4, 60192920), (5, 48154336), (8, 30096460), (10, 24077168), (16, 15048230), (17, 14163040), (20, 12038584), (32, 7524115), (34, 7081520), (40, 6019292), (41, 5872480), (68, 3540760), (80, 3009646), (82, 2936240), (85, 2832608), (127, 1895840), (136, 1770380), (160, 1504823), (164, 1468120), (170, 1416304), (205, 1174496), (254, 947920), (272, 885190), (289, 833120), (328, 734060), (340, 708152), (410, 587248), (508, 473960), (544, 442595), (578, 416560), (635, 379168), (656, 367030), (680, 354076), (697, 345440), (820, 293624), (1016, 236980), (1156, 208280), (1270, 189584), (1312, 183515), (1360, 177038), (1394, 172720), (1445, 166624), (1640, 146812), (2032, 118490), (2159, 111520), (2312, 104140), (2540, 94792), (2720, 88519), (2788, 86360), (2890, 83312), (3280, 73406), (3485, 69088), (4064, 59245), (4318, 55760), (4624, 52070), (5080, 47396), (5207, 46240), (5576, 43180), (5780, 41656), (6560, 36703), (6970, 34544), (8636, 27880), (9248, 26035), (10160, 23698), (10414, 23120), (10795, 22304), (11152, 21590), (11560, 20828), (11849, 20320), (13940, 17272)]