21978663120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3391769}}^1$

素因数の和:3391794

約数の個数: 100

約数和(自身を含む): 76335175620

約数和(自身を除く): 54356512500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3391769, 6783538, 10175307, 13567076, 16958845, 20350614, 27134152, 30525921, 33917690, 40701228, 50876535, 54268304, 61051842, 67835380, 81402456, 91577763, 101753070, 122103684, 135670760, 152629605, 162804912, 183155526, 203506140, 244207368, 271341520, 274733289, 305259210, 366311052, 407012280, 457888815, 488414736, 549466578, 610518420, 732622104, 814024560, 915777630, 1098933156, 1221036840, 1373666445, 1465244208, 1831555260, 2197866312, 2442073680, 2747332890, 3663110520, 4395732624, 5494665780, 7326221040, 10989331560, 21978663120]

約数ペア:

[(1, 21978663120), (2, 10989331560), (3, 7326221040), (4, 5494665780), (5, 4395732624), (6, 3663110520), (8, 2747332890), (9, 2442073680), (10, 2197866312), (12, 1831555260), (15, 1465244208), (16, 1373666445), (18, 1221036840), (20, 1098933156), (24, 915777630), (27, 814024560), (30, 732622104), (36, 610518420), (40, 549466578), (45, 488414736), (48, 457888815), (54, 407012280), (60, 366311052), (72, 305259210), (80, 274733289), (81, 271341520), (90, 244207368), (108, 203506140), (120, 183155526), (135, 162804912), (144, 152629605), (162, 135670760), (180, 122103684), (216, 101753070), (240, 91577763), (270, 81402456), (324, 67835380), (360, 61051842), (405, 54268304), (432, 50876535), (540, 40701228), (648, 33917690), (720, 30525921), (810, 27134152), (1080, 20350614), (1296, 16958845), (1620, 13567076), (2160, 10175307), (3240, 6783538), (6480, 3391769)]