81549900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 162

約数和(自身を含む): 270849852

約数和(自身を除く): 189299952

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 251, 285, 300, 342, 361, 380, 450, 475, 502, 570, 684, 722, 753, 855, 900, 950, 1004, 1083, 1140, 1255, 1425, 1444, 1506, 1710, 1805, 1900, 2166, 2259, 2510, 2850, 3012, 3249, 3420, 3610, 3765, 4275, 4332, 4518, 4769, 5020, 5415, 5700, 6275, 6498, 7220, 7530, 8550, 9025, 9036, 9538, 10830, 11295, 12550, 12996, 14307, 15060, 16245, 17100, 18050, 18825, 19076, 21660, 22590, 23845, 25100, 27075, 28614, 32490, 36100, 37650, 42921, 45180, 47690, 54150, 56475, 57228, 64980, 71535, 75300, 81225, 85842, 90611, 95380, 108300, 112950, 119225, 143070, 162450, 171684, 181222, 214605, 225900, 238450, 271833, 286140, 324900, 357675, 362444, 429210, 453055, 476900, 543666, 715350, 815499, 858420, 906110, 1073025, 1087332, 1359165, 1430700, 1630998, 1812220, 2146050, 2265275, 2718330, 3261996, 4077495, 4292100, 4530550, 5436660, 6795825, 8154990, 9061100, 13591650, 16309980, 20387475, 27183300, 40774950, 81549900]

約数ペア:

[(1, 81549900), (2, 40774950), (3, 27183300), (4, 20387475), (5, 16309980), (6, 13591650), (9, 9061100), (10, 8154990), (12, 6795825), (15, 5436660), (18, 4530550), (19, 4292100), (20, 4077495), (25, 3261996), (30, 2718330), (36, 2265275), (38, 2146050), (45, 1812220), (50, 1630998), (57, 1430700), (60, 1359165), (75, 1087332), (76, 1073025), (90, 906110), (95, 858420), (100, 815499), (114, 715350), (150, 543666), (171, 476900), (180, 453055), (190, 429210), (225, 362444), (228, 357675), (251, 324900), (285, 286140), (300, 271833), (342, 238450), (361, 225900), (380, 214605), (450, 181222), (475, 171684), (502, 162450), (570, 143070), (684, 119225), (722, 112950), (753, 108300), (855, 95380), (900, 90611), (950, 85842), (1004, 81225), (1083, 75300), (1140, 71535), (1255, 64980), (1425, 57228), (1444, 56475), (1506, 54150), (1710, 47690), (1805, 45180), (1900, 42921), (2166, 37650), (2259, 36100), (2510, 32490), (2850, 28614), (3012, 27075), (3249, 25100), (3420, 23845), (3610, 22590), (3765, 21660), (4275, 19076), (4332, 18825), (4518, 18050), (4769, 17100), (5020, 16245), (5415, 15060), (5700, 14307), (6275, 12996), (6498, 12550), (7220, 11295), (7530, 10830), (8550, 9538), (9025, 9036)]