18115020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1307}}^1$

素因数の和:1340

約数の個数: 144

約数和(自身を含む): 68560128

約数和(自身を除く): 50445108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1307, 1386, 1540, 1980, 2310, 2614, 2772, 3465, 3921, 4620, 5228, 6535, 6930, 7842, 9149, 11763, 13070, 13860, 14377, 15684, 18298, 19605, 23526, 26140, 27447, 28754, 36596, 39210, 43131, 45745, 47052, 54894, 57508, 58815, 71885, 78420, 82341, 86262, 91490, 100639, 109788, 117630, 129393, 137235, 143770, 164682, 172524, 182980, 201278, 215655, 235260, 258786, 274470, 287540, 301917, 329364, 402556, 411705, 431310, 503195, 517572, 548940, 603834, 646965, 823410, 862620, 905751, 1006390, 1207668, 1293930, 1509585, 1646820, 1811502, 2012780, 2587860, 3019170, 3623004, 4528755, 6038340, 9057510, 18115020]

約数ペア:

[(1, 18115020), (2, 9057510), (3, 6038340), (4, 4528755), (5, 3623004), (6, 3019170), (7, 2587860), (9, 2012780), (10, 1811502), (11, 1646820), (12, 1509585), (14, 1293930), (15, 1207668), (18, 1006390), (20, 905751), (21, 862620), (22, 823410), (28, 646965), (30, 603834), (33, 548940), (35, 517572), (36, 503195), (42, 431310), (44, 411705), (45, 402556), (55, 329364), (60, 301917), (63, 287540), (66, 274470), (70, 258786), (77, 235260), (84, 215655), (90, 201278), (99, 182980), (105, 172524), (110, 164682), (126, 143770), (132, 137235), (140, 129393), (154, 117630), (165, 109788), (180, 100639), (198, 91490), (210, 86262), (220, 82341), (231, 78420), (252, 71885), (308, 58815), (315, 57508), (330, 54894), (385, 47052), (396, 45745), (420, 43131), (462, 39210), (495, 36596), (630, 28754), (660, 27447), (693, 26140), (770, 23526), (924, 19605), (990, 18298), (1155, 15684), (1260, 14377), (1307, 13860), (1386, 13070), (1540, 11763), (1980, 9149), (2310, 7842), (2614, 6930), (2772, 6535), (3465, 5228), (3921, 4620)]