121493560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 290822400

約数和(自身を除く): 169328840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 373, 479, 680, 746, 958, 1492, 1865, 1916, 2395, 2984, 3730, 3832, 4790, 6341, 7460, 8143, 9580, 12682, 14920, 16286, 19160, 25364, 31705, 32572, 40715, 50728, 63410, 65144, 81430, 126820, 162860, 178667, 253640, 325720, 357334, 714668, 893335, 1429336, 1786670, 3037339, 3573340, 6074678, 7146680, 12149356, 15186695, 24298712, 30373390, 60746780, 121493560]

約数ペア:

[(1, 121493560), (2, 60746780), (4, 30373390), (5, 24298712), (8, 15186695), (10, 12149356), (17, 7146680), (20, 6074678), (34, 3573340), (40, 3037339), (68, 1786670), (85, 1429336), (136, 893335), (170, 714668), (340, 357334), (373, 325720), (479, 253640), (680, 178667), (746, 162860), (958, 126820), (1492, 81430), (1865, 65144), (1916, 63410), (2395, 50728), (2984, 40715), (3730, 32572), (3832, 31705), (4790, 25364), (6341, 19160), (7460, 16286), (8143, 14920), (9580, 12682)]