31640280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{5381}}^1$

素因数の和:5409

約数の個数: 96

約数和(自身を含む): 110438640

約数和(自身を除く): 78798360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5381, 5880, 10762, 16143, 21524, 26905, 32286, 37667, 43048, 53810, 64572, 75334, 80715, 107620, 113001, 129144, 150668, 161430, 188335, 215240, 226002, 263669, 301336, 322860, 376670, 452004, 527338, 565005, 645720, 753340, 791007, 904008, 1054676, 1130010, 1318345, 1506680, 1582014, 2109352, 2260020, 2636690, 3164028, 3955035, 4520040, 5273380, 6328056, 7910070, 10546760, 15820140, 31640280]

約数ペア:

[(1, 31640280), (2, 15820140), (3, 10546760), (4, 7910070), (5, 6328056), (6, 5273380), (7, 4520040), (8, 3955035), (10, 3164028), (12, 2636690), (14, 2260020), (15, 2109352), (20, 1582014), (21, 1506680), (24, 1318345), (28, 1130010), (30, 1054676), (35, 904008), (40, 791007), (42, 753340), (49, 645720), (56, 565005), (60, 527338), (70, 452004), (84, 376670), (98, 322860), (105, 301336), (120, 263669), (140, 226002), (147, 215240), (168, 188335), (196, 161430), (210, 150668), (245, 129144), (280, 113001), (294, 107620), (392, 80715), (420, 75334), (490, 64572), (588, 53810), (735, 43048), (840, 37667), (980, 32286), (1176, 26905), (1470, 21524), (1960, 16143), (2940, 10762), (5381, 5880)]