81977910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22963}}^1$

素因数の和:22997

約数の個数: 64

約数和(自身を含む): 238090752

約数和(自身を除く): 156112842

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 22963, 45926, 68889, 114815, 137778, 160741, 229630, 321482, 344445, 390371, 482223, 688890, 780742, 803705, 964446, 1171113, 1607410, 1951855, 2342226, 2411115, 2732597, 3903710, 4822230, 5465194, 5855565, 8197791, 11711130, 13662985, 16395582, 27325970, 40988955, 81977910]

約数ペア:

[(1, 81977910), (2, 40988955), (3, 27325970), (5, 16395582), (6, 13662985), (7, 11711130), (10, 8197791), (14, 5855565), (15, 5465194), (17, 4822230), (21, 3903710), (30, 2732597), (34, 2411115), (35, 2342226), (42, 1951855), (51, 1607410), (70, 1171113), (85, 964446), (102, 803705), (105, 780742), (119, 688890), (170, 482223), (210, 390371), (238, 344445), (255, 321482), (357, 229630), (510, 160741), (595, 137778), (714, 114815), (1190, 68889), (1785, 45926), (3570, 22963)]