31861180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 76769280

約数和(自身を除く): 44908100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 59, 62, 65, 67, 118, 124, 130, 134, 155, 236, 260, 268, 295, 310, 335, 403, 590, 620, 670, 767, 806, 871, 1180, 1340, 1534, 1612, 1742, 1829, 2015, 2077, 3068, 3484, 3658, 3835, 3953, 4030, 4154, 4355, 7316, 7670, 7906, 8060, 8308, 8710, 9145, 10385, 15340, 15812, 17420, 18290, 19765, 20770, 23777, 27001, 36580, 39530, 41540, 47554, 51389, 54002, 79060, 95108, 102778, 108004, 118885, 122543, 135005, 205556, 237770, 245086, 256945, 270010, 475540, 490172, 513890, 540020, 612715, 1027780, 1225430, 1593059, 2450860, 3186118, 6372236, 7965295, 15930590, 31861180]

約数ペア:

[(1, 31861180), (2, 15930590), (4, 7965295), (5, 6372236), (10, 3186118), (13, 2450860), (20, 1593059), (26, 1225430), (31, 1027780), (52, 612715), (59, 540020), (62, 513890), (65, 490172), (67, 475540), (118, 270010), (124, 256945), (130, 245086), (134, 237770), (155, 205556), (236, 135005), (260, 122543), (268, 118885), (295, 108004), (310, 102778), (335, 95108), (403, 79060), (590, 54002), (620, 51389), (670, 47554), (767, 41540), (806, 39530), (871, 36580), (1180, 27001), (1340, 23777), (1534, 20770), (1612, 19765), (1742, 18290), (1829, 17420), (2015, 15812), (2077, 15340), (3068, 10385), (3484, 9145), (3658, 8710), (3835, 8308), (3953, 8060), (4030, 7906), (4154, 7670), (4355, 7316)]