31696140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10781}}^1$

素因数の和:10807

約数の個数: 72

約数和(自身を含む): 103248432

約数和(自身を除く): 71552292

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, 10781, 21562, 32343, 43124, 53905, 64686, 75467, 107810, 129372, 150934, 161715, 215620, 226401, 301868, 323430, 377335, 452802, 528269, 646860, 754670, 905604, 1056538, 1132005, 1509340, 1584807, 2113076, 2264010, 2641345, 3169614, 4528020, 5282690, 6339228, 7924035, 10565380, 15848070, 31696140]

約数ペア:

[(1, 31696140), (2, 15848070), (3, 10565380), (4, 7924035), (5, 6339228), (6, 5282690), (7, 4528020), (10, 3169614), (12, 2641345), (14, 2264010), (15, 2113076), (20, 1584807), (21, 1509340), (28, 1132005), (30, 1056538), (35, 905604), (42, 754670), (49, 646860), (60, 528269), (70, 452802), (84, 377335), (98, 323430), (105, 301868), (140, 226401), (147, 215620), (196, 161715), (210, 150934), (245, 129372), (294, 107810), (420, 75467), (490, 64686), (588, 53905), (735, 43124), (980, 32343), (1470, 21562), (2940, 10781)]