262521420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89293}}^1$

素因数の和:89319

約数の個数: 72

約数和(自身を含む): 855079344

約数和(自身を除く): 592557924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 89293, 178586, 267879, 357172, 446465, 535758, 625051, 892930, 1071516, 1250102, 1339395, 1785860, 1875153, 2500204, 2678790, 3125255, 3750306, 4375357, 5357580, 6250510, 7500612, 8750714, 9375765, 12501020, 13126071, 17501428, 18751530, 21876785, 26252142, 37503060, 43753570, 52504284, 65630355, 87507140, 131260710, 262521420]

約数ペア:

[(1, 262521420), (2, 131260710), (3, 87507140), (4, 65630355), (5, 52504284), (6, 43753570), (7, 37503060), (10, 26252142), (12, 21876785), (14, 18751530), (15, 17501428), (20, 13126071), (21, 12501020), (28, 9375765), (30, 8750714), (35, 7500612), (42, 6250510), (49, 5357580), (60, 4375357), (70, 3750306), (84, 3125255), (98, 2678790), (105, 2500204), (140, 1875153), (147, 1785860), (196, 1339395), (210, 1250102), (245, 1071516), (294, 892930), (420, 625051), (490, 535758), (588, 446465), (735, 357172), (980, 267879), (1470, 178586), (2940, 89293)]