81311230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8123}}^1$

素因数の和:8161

約数の個数: 64

約数和(自身を含む): 196535808

約数和(自身を除く): 115224578

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 8123, 10010, 16246, 40615, 56861, 81230, 89353, 105599, 113722, 178706, 211198, 284305, 446765, 527995, 568610, 625471, 739193, 893530, 1055990, 1161589, 1250942, 1478386, 2323178, 3127355, 3695965, 5807945, 6254710, 7391930, 8131123, 11615890, 16262246, 40655615, 81311230]

約数ペア:

[(1, 81311230), (2, 40655615), (5, 16262246), (7, 11615890), (10, 8131123), (11, 7391930), (13, 6254710), (14, 5807945), (22, 3695965), (26, 3127355), (35, 2323178), (55, 1478386), (65, 1250942), (70, 1161589), (77, 1055990), (91, 893530), (110, 739193), (130, 625471), (143, 568610), (154, 527995), (182, 446765), (286, 284305), (385, 211198), (455, 178706), (715, 113722), (770, 105599), (910, 89353), (1001, 81230), (1430, 56861), (2002, 40615), (5005, 16246), (8123, 10010)]