84261420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20353}}^1$

素因数の和:20391

約数の個数: 72

約数和(自身を含む): 266718816

約数和(自身を除く): 182457396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 20353, 40706, 61059, 81412, 101765, 122118, 183177, 203530, 244236, 305295, 366354, 407060, 468119, 610590, 732708, 915885, 936238, 1221180, 1404357, 1831770, 1872476, 2340595, 2808714, 3663540, 4213071, 4681190, 5617428, 7021785, 8426142, 9362380, 14043570, 16852284, 21065355, 28087140, 42130710, 84261420]

約数ペア:

[(1, 84261420), (2, 42130710), (3, 28087140), (4, 21065355), (5, 16852284), (6, 14043570), (9, 9362380), (10, 8426142), (12, 7021785), (15, 5617428), (18, 4681190), (20, 4213071), (23, 3663540), (30, 2808714), (36, 2340595), (45, 1872476), (46, 1831770), (60, 1404357), (69, 1221180), (90, 936238), (92, 915885), (115, 732708), (138, 610590), (180, 468119), (207, 407060), (230, 366354), (276, 305295), (345, 244236), (414, 203530), (460, 183177), (690, 122118), (828, 101765), (1035, 81412), (1380, 61059), (2070, 40706), (4140, 20353)]