78210930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2843}}^1$

素因数の和:2991

約数の個数: 64

約数和(自身を含む): 216235008

約数和(自身を除く): 138024078

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 131, 210, 262, 393, 655, 786, 917, 1310, 1834, 1965, 2751, 2843, 3930, 4585, 5502, 5686, 8529, 9170, 13755, 14215, 17058, 19901, 27510, 28430, 39802, 42645, 59703, 85290, 99505, 119406, 199010, 298515, 372433, 597030, 744866, 1117299, 1862165, 2234598, 2607031, 3724330, 5214062, 5586495, 7821093, 11172990, 13035155, 15642186, 26070310, 39105465, 78210930]

約数ペア:

[(1, 78210930), (2, 39105465), (3, 26070310), (5, 15642186), (6, 13035155), (7, 11172990), (10, 7821093), (14, 5586495), (15, 5214062), (21, 3724330), (30, 2607031), (35, 2234598), (42, 1862165), (70, 1117299), (105, 744866), (131, 597030), (210, 372433), (262, 298515), (393, 199010), (655, 119406), (786, 99505), (917, 85290), (1310, 59703), (1834, 42645), (1965, 39802), (2751, 28430), (2843, 27510), (3930, 19901), (4585, 17058), (5502, 14215), (5686, 13755), (8529, 9170)]