2784810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 7776000

約数和(自身を除く): 4991190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 149, 178, 210, 267, 298, 445, 447, 534, 623, 745, 890, 894, 1043, 1246, 1335, 1490, 1869, 2086, 2235, 2670, 3115, 3129, 3738, 4470, 5215, 6230, 6258, 9345, 10430, 13261, 15645, 18690, 26522, 31290, 39783, 66305, 79566, 92827, 132610, 185654, 198915, 278481, 397830, 464135, 556962, 928270, 1392405, 2784810]

約数ペア:

[(1, 2784810), (2, 1392405), (3, 928270), (5, 556962), (6, 464135), (7, 397830), (10, 278481), (14, 198915), (15, 185654), (21, 132610), (30, 92827), (35, 79566), (42, 66305), (70, 39783), (89, 31290), (105, 26522), (149, 18690), (178, 15645), (210, 13261), (267, 10430), (298, 9345), (445, 6258), (447, 6230), (534, 5215), (623, 4470), (745, 3738), (890, 3129), (894, 3115), (1043, 2670), (1246, 2235), (1335, 2086), (1490, 1869)]