215522780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 534915360

約数和(自身を除く): 319392580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 37, 44, 55, 58, 74, 83, 110, 116, 121, 145, 148, 166, 185, 220, 242, 290, 319, 332, 370, 407, 415, 484, 580, 605, 638, 740, 814, 830, 913, 1073, 1210, 1276, 1595, 1628, 1660, 1826, 2035, 2146, 2407, 2420, 3071, 3190, 3509, 3652, 4070, 4292, 4477, 4565, 4814, 5365, 6142, 6380, 7018, 8140, 8954, 9130, 9628, 10043, 10730, 11803, 12035, 12284, 14036, 15355, 17545, 17908, 18260, 20086, 21460, 22385, 23606, 24070, 26477, 30710, 33781, 35090, 40172, 44770, 47212, 48140, 50215, 52954, 59015, 61420, 67562, 70180, 89059, 89540, 100430, 105908, 118030, 129833, 132385, 135124, 168905, 178118, 200860, 236060, 259666, 264770, 291247, 337810, 356236, 371591, 445295, 519332, 529540, 582494, 649165, 675620, 743182, 890590, 979649, 1164988, 1298330, 1456235, 1486364, 1781180, 1857955, 1959298, 2596660, 2912470, 3715910, 3918596, 4898245, 5824940, 7431820, 9796490, 10776139, 19592980, 21552278, 43104556, 53880695, 107761390, 215522780]

約数ペア:

[(1, 215522780), (2, 107761390), (4, 53880695), (5, 43104556), (10, 21552278), (11, 19592980), (20, 10776139), (22, 9796490), (29, 7431820), (37, 5824940), (44, 4898245), (55, 3918596), (58, 3715910), (74, 2912470), (83, 2596660), (110, 1959298), (116, 1857955), (121, 1781180), (145, 1486364), (148, 1456235), (166, 1298330), (185, 1164988), (220, 979649), (242, 890590), (290, 743182), (319, 675620), (332, 649165), (370, 582494), (407, 529540), (415, 519332), (484, 445295), (580, 371591), (605, 356236), (638, 337810), (740, 291247), (814, 264770), (830, 259666), (913, 236060), (1073, 200860), (1210, 178118), (1276, 168905), (1595, 135124), (1628, 132385), (1660, 129833), (1826, 118030), (2035, 105908), (2146, 100430), (2407, 89540), (2420, 89059), (3071, 70180), (3190, 67562), (3509, 61420), (3652, 59015), (4070, 52954), (4292, 50215), (4477, 48140), (4565, 47212), (4814, 44770), (5365, 40172), (6142, 35090), (6380, 33781), (7018, 30710), (8140, 26477), (8954, 24070), (9130, 23606), (9628, 22385), (10043, 21460), (10730, 20086), (11803, 18260), (12035, 17908), (12284, 17545), (14036, 15355)]