31218120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5101}}^1$

素因数の和:5135

約数の個数: 96

約数和(自身を含む): 107448120

約数和(自身を除く): 76230000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 5101, 6120, 10202, 15303, 20404, 25505, 30606, 40808, 45909, 51010, 61212, 76515, 86717, 91818, 102020, 122424, 153030, 173434, 183636, 204040, 229545, 260151, 306060, 346868, 367272, 433585, 459090, 520302, 612120, 693736, 780453, 867170, 918180, 1040604, 1300755, 1560906, 1734340, 1836360, 2081208, 2601510, 3121812, 3468680, 3902265, 5203020, 6243624, 7804530, 10406040, 15609060, 31218120]

約数ペア:

[(1, 31218120), (2, 15609060), (3, 10406040), (4, 7804530), (5, 6243624), (6, 5203020), (8, 3902265), (9, 3468680), (10, 3121812), (12, 2601510), (15, 2081208), (17, 1836360), (18, 1734340), (20, 1560906), (24, 1300755), (30, 1040604), (34, 918180), (36, 867170), (40, 780453), (45, 693736), (51, 612120), (60, 520302), (68, 459090), (72, 433585), (85, 367272), (90, 346868), (102, 306060), (120, 260151), (136, 229545), (153, 204040), (170, 183636), (180, 173434), (204, 153030), (255, 122424), (306, 102020), (340, 91818), (360, 86717), (408, 76515), (510, 61212), (612, 51010), (680, 45909), (765, 40808), (1020, 30606), (1224, 25505), (1530, 20404), (2040, 15303), (3060, 10202), (5101, 6120)]