418140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 1336608

約数和(自身を除く): 918468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 101, 115, 138, 180, 202, 207, 230, 276, 303, 345, 404, 414, 460, 505, 606, 690, 828, 909, 1010, 1035, 1212, 1380, 1515, 1818, 2020, 2070, 2323, 3030, 3636, 4140, 4545, 4646, 6060, 6969, 9090, 9292, 11615, 13938, 18180, 20907, 23230, 27876, 34845, 41814, 46460, 69690, 83628, 104535, 139380, 209070, 418140]

約数ペア:

[(1, 418140), (2, 209070), (3, 139380), (4, 104535), (5, 83628), (6, 69690), (9, 46460), (10, 41814), (12, 34845), (15, 27876), (18, 23230), (20, 20907), (23, 18180), (30, 13938), (36, 11615), (45, 9292), (46, 9090), (60, 6969), (69, 6060), (90, 4646), (92, 4545), (101, 4140), (115, 3636), (138, 3030), (180, 2323), (202, 2070), (207, 2020), (230, 1818), (276, 1515), (303, 1380), (345, 1212), (404, 1035), (414, 1010), (460, 909), (505, 828), (606, 690)]