66488940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{52769}}^1$

素因数の和:52791

約数の個数: 72

約数和(自身を含む): 230499360

約数和(自身を除く): 164010420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 52769, 105538, 158307, 211076, 263845, 316614, 369383, 474921, 527690, 633228, 738766, 791535, 949842, 1055380, 1108149, 1477532, 1583070, 1846915, 1899684, 2216298, 2374605, 3166140, 3324447, 3693830, 4432596, 4749210, 5540745, 6648894, 7387660, 9498420, 11081490, 13297788, 16622235, 22162980, 33244470, 66488940]

約数ペア:

[(1, 66488940), (2, 33244470), (3, 22162980), (4, 16622235), (5, 13297788), (6, 11081490), (7, 9498420), (9, 7387660), (10, 6648894), (12, 5540745), (14, 4749210), (15, 4432596), (18, 3693830), (20, 3324447), (21, 3166140), (28, 2374605), (30, 2216298), (35, 1899684), (36, 1846915), (42, 1583070), (45, 1477532), (60, 1108149), (63, 1055380), (70, 949842), (84, 791535), (90, 738766), (105, 633228), (126, 527690), (140, 474921), (180, 369383), (210, 316614), (252, 263845), (315, 211076), (420, 158307), (630, 105538), (1260, 52769)]