19715771460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{387953}}^1$

素因数の和:387994

約数の個数: 144

約数和(自身を含む): 69347553408

約数和(自身を除く): 49631781948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 5082, 7260, 8470, 10164, 12705, 16940, 25410, 50820, 387953, 775906, 1163859, 1551812, 1939765, 2327718, 2715671, 3879530, 4267483, 4655436, 5431342, 5819295, 7759060, 8147013, 8534966, 10862684, 11638590, 12802449, 13578355, 16294026, 17069932, 21337415, 23277180, 25604898, 27156710, 29872381, 32588052, 40735065, 42674830, 46942313, 51209796, 54313420, 59744762, 64012245, 81470130, 85349660, 89617143, 93884626, 119489524, 128024490, 140826939, 149361905, 162940260, 179234286, 187769252, 234711565, 256048980, 281653878, 298723810, 328596191, 358468572, 448085715, 469423130, 563307756, 597447620, 657192382, 704134695, 896171430, 938846260, 985788573, 1314384764, 1408269390, 1642980955, 1792342860, 1971577146, 2816538780, 3285961910, 3943154292, 4928942865, 6571923820, 9857885730, 19715771460]

約数ペア:

[(1, 19715771460), (2, 9857885730), (3, 6571923820), (4, 4928942865), (5, 3943154292), (6, 3285961910), (7, 2816538780), (10, 1971577146), (11, 1792342860), (12, 1642980955), (14, 1408269390), (15, 1314384764), (20, 985788573), (21, 938846260), (22, 896171430), (28, 704134695), (30, 657192382), (33, 597447620), (35, 563307756), (42, 469423130), (44, 448085715), (55, 358468572), (60, 328596191), (66, 298723810), (70, 281653878), (77, 256048980), (84, 234711565), (105, 187769252), (110, 179234286), (121, 162940260), (132, 149361905), (140, 140826939), (154, 128024490), (165, 119489524), (210, 93884626), (220, 89617143), (231, 85349660), (242, 81470130), (308, 64012245), (330, 59744762), (363, 54313420), (385, 51209796), (420, 46942313), (462, 42674830), (484, 40735065), (605, 32588052), (660, 29872381), (726, 27156710), (770, 25604898), (847, 23277180), (924, 21337415), (1155, 17069932), (1210, 16294026), (1452, 13578355), (1540, 12802449), (1694, 11638590), (1815, 10862684), (2310, 8534966), (2420, 8147013), (2541, 7759060), (3388, 5819295), (3630, 5431342), (4235, 4655436), (4620, 4267483), (5082, 3879530), (7260, 2715671), (8470, 2327718), (10164, 1939765), (12705, 1551812), (16940, 1163859), (25410, 775906), (50820, 387953)]