30912280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 80274240

約数和(自身を除く): 49361960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 977, 1130, 1582, 1954, 2260, 3164, 3908, 3955, 4520, 4885, 6328, 6839, 7816, 7910, 9770, 13678, 15820, 19540, 27356, 31640, 34195, 39080, 54712, 68390, 110401, 136780, 220802, 273560, 441604, 552005, 772807, 883208, 1104010, 1545614, 2208020, 3091228, 3864035, 4416040, 6182456, 7728070, 15456140, 30912280]

約数ペア:

[(1, 30912280), (2, 15456140), (4, 7728070), (5, 6182456), (7, 4416040), (8, 3864035), (10, 3091228), (14, 2208020), (20, 1545614), (28, 1104010), (35, 883208), (40, 772807), (56, 552005), (70, 441604), (113, 273560), (140, 220802), (226, 136780), (280, 110401), (452, 68390), (565, 54712), (791, 39080), (904, 34195), (977, 31640), (1130, 27356), (1582, 19540), (1954, 15820), (2260, 13678), (3164, 9770), (3908, 7910), (3955, 7816), (4520, 6839), (4885, 6328)]