27727980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 89703936

約数和(自身を除く): 61975956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 617, 642, 749, 1070, 1234, 1284, 1498, 1605, 1851, 2140, 2247, 2468, 2996, 3085, 3210, 3702, 3745, 4319, 4494, 6170, 6420, 7404, 7490, 8638, 8988, 9255, 11235, 12340, 12957, 14980, 17276, 18510, 21595, 22470, 25914, 37020, 43190, 44940, 51828, 64785, 66019, 86380, 129570, 132038, 198057, 259140, 264076, 330095, 396114, 462133, 660190, 792228, 924266, 990285, 1320380, 1386399, 1848532, 1980570, 2310665, 2772798, 3961140, 4621330, 5545596, 6931995, 9242660, 13863990, 27727980]

約数ペア:

[(1, 27727980), (2, 13863990), (3, 9242660), (4, 6931995), (5, 5545596), (6, 4621330), (7, 3961140), (10, 2772798), (12, 2310665), (14, 1980570), (15, 1848532), (20, 1386399), (21, 1320380), (28, 990285), (30, 924266), (35, 792228), (42, 660190), (60, 462133), (70, 396114), (84, 330095), (105, 264076), (107, 259140), (140, 198057), (210, 132038), (214, 129570), (321, 86380), (420, 66019), (428, 64785), (535, 51828), (617, 44940), (642, 43190), (749, 37020), (1070, 25914), (1234, 22470), (1284, 21595), (1498, 18510), (1605, 17276), (1851, 14980), (2140, 12957), (2247, 12340), (2468, 11235), (2996, 9255), (3085, 8988), (3210, 8638), (3702, 7490), (3745, 7404), (4319, 6420), (4494, 6170)]