20942950160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{1289}}^1$

素因数の和:1849

約数の個数: 160

約数和(自身を含む): 54706320000

約数和(自身を除く): 33763369840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 499, 592, 740, 814, 880, 998, 1289, 1480, 1628, 1996, 2035, 2495, 2578, 2960, 3256, 3992, 4070, 4990, 5156, 5489, 6445, 6512, 7984, 8140, 9980, 10312, 10978, 12890, 14179, 16280, 18463, 19960, 20624, 21956, 25780, 27445, 28358, 32560, 36926, 39920, 43912, 47693, 51560, 54890, 56716, 70895, 73852, 87824, 92315, 95386, 103120, 109780, 113432, 141790, 147704, 184630, 190772, 203093, 219560, 226864, 238465, 283580, 295408, 369260, 381544, 406186, 439120, 476930, 524623, 567160, 643211, 738520, 763088, 812372, 953860, 1015465, 1049246, 1134320, 1286422, 1477040, 1624744, 1907720, 2030930, 2098492, 2572844, 2623115, 3216055, 3249488, 3815440, 4061860, 4196984, 5145688, 5246230, 6432110, 7075321, 8123720, 8393968, 10291376, 10492460, 12864220, 14150642, 16247440, 20984920, 23798807, 25728440, 28301284, 35376605, 41969840, 47597614, 51456880, 56602568, 70753210, 95195228, 113205136, 118994035, 141506420, 190390456, 237988070, 261786877, 283012840, 380780912, 475976140, 523573754, 566025680, 951952280, 1047147508, 1308934385, 1903904560, 2094295016, 2617868770, 4188590032, 5235737540, 10471475080, 20942950160]

約数ペア:

[(1, 20942950160), (2, 10471475080), (4, 5235737540), (5, 4188590032), (8, 2617868770), (10, 2094295016), (11, 1903904560), (16, 1308934385), (20, 1047147508), (22, 951952280), (37, 566025680), (40, 523573754), (44, 475976140), (55, 380780912), (74, 283012840), (80, 261786877), (88, 237988070), (110, 190390456), (148, 141506420), (176, 118994035), (185, 113205136), (220, 95195228), (296, 70753210), (370, 56602568), (407, 51456880), (440, 47597614), (499, 41969840), (592, 35376605), (740, 28301284), (814, 25728440), (880, 23798807), (998, 20984920), (1289, 16247440), (1480, 14150642), (1628, 12864220), (1996, 10492460), (2035, 10291376), (2495, 8393968), (2578, 8123720), (2960, 7075321), (3256, 6432110), (3992, 5246230), (4070, 5145688), (4990, 4196984), (5156, 4061860), (5489, 3815440), (6445, 3249488), (6512, 3216055), (7984, 2623115), (8140, 2572844), (9980, 2098492), (10312, 2030930), (10978, 1907720), (12890, 1624744), (14179, 1477040), (16280, 1286422), (18463, 1134320), (19960, 1049246), (20624, 1015465), (21956, 953860), (25780, 812372), (27445, 763088), (28358, 738520), (32560, 643211), (36926, 567160), (39920, 524623), (43912, 476930), (47693, 439120), (51560, 406186), (54890, 381544), (56716, 369260), (70895, 295408), (73852, 283580), (87824, 238465), (92315, 226864), (95386, 219560), (103120, 203093), (109780, 190772), (113432, 184630), (141790, 147704)]