63644140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 157257072

約数和(自身を除く): 93612932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 643, 707, 980, 1010, 1286, 1414, 2020, 2572, 2828, 3215, 3535, 4501, 4949, 6430, 7070, 9002, 9898, 12860, 14140, 18004, 19796, 22505, 24745, 31507, 45010, 49490, 63014, 64943, 90020, 98980, 126028, 129886, 157535, 259772, 315070, 324715, 454601, 630140, 649430, 909202, 1298860, 1818404, 2273005, 3182207, 4546010, 6364414, 9092020, 12728828, 15911035, 31822070, 63644140]

約数ペア:

[(1, 63644140), (2, 31822070), (4, 15911035), (5, 12728828), (7, 9092020), (10, 6364414), (14, 4546010), (20, 3182207), (28, 2273005), (35, 1818404), (49, 1298860), (70, 909202), (98, 649430), (101, 630140), (140, 454601), (196, 324715), (202, 315070), (245, 259772), (404, 157535), (490, 129886), (505, 126028), (643, 98980), (707, 90020), (980, 64943), (1010, 63014), (1286, 49490), (1414, 45010), (2020, 31507), (2572, 24745), (2828, 22505), (3215, 19796), (3535, 18004), (4501, 14140), (4949, 12860), (6430, 9898), (7070, 9002)]