218395170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{115553}}^1$

素因数の和:115576

約数の個数: 64

約数和(自身を含む): 665591040

約数和(自身を除く): 447195870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 115553, 231106, 346659, 577765, 693318, 808871, 1039977, 1155530, 1617742, 1733295, 2079954, 2426613, 3119931, 3466590, 4044355, 4853226, 5199885, 6239862, 7279839, 8088710, 10399770, 12133065, 14559678, 15599655, 21839517, 24266130, 31199310, 36399195, 43679034, 72798390, 109197585, 218395170]

約数ペア:

[(1, 218395170), (2, 109197585), (3, 72798390), (5, 43679034), (6, 36399195), (7, 31199310), (9, 24266130), (10, 21839517), (14, 15599655), (15, 14559678), (18, 12133065), (21, 10399770), (27, 8088710), (30, 7279839), (35, 6239862), (42, 5199885), (45, 4853226), (54, 4044355), (63, 3466590), (70, 3119931), (90, 2426613), (105, 2079954), (126, 1733295), (135, 1617742), (189, 1155530), (210, 1039977), (270, 808871), (315, 693318), (378, 577765), (630, 346659), (945, 231106), (1890, 115553)]