81431064

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:766

約数の個数: 144

約数和(自身を含む): 261424800

約数和(自身を除く): 179993736

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 121, 132, 143, 156, 198, 234, 242, 264, 286, 312, 363, 396, 429, 468, 484, 572, 719, 726, 792, 858, 936, 968, 1089, 1144, 1287, 1438, 1452, 1573, 1716, 2157, 2178, 2574, 2876, 2904, 3146, 3432, 4314, 4356, 4719, 5148, 5752, 6292, 6471, 7909, 8628, 8712, 9347, 9438, 10296, 12584, 12942, 14157, 15818, 17256, 18694, 18876, 23727, 25884, 28041, 28314, 31636, 37388, 37752, 47454, 51768, 56082, 56628, 63272, 71181, 74776, 84123, 86999, 94908, 102817, 112164, 113256, 142362, 168246, 173998, 189816, 205634, 224328, 260997, 284724, 308451, 336492, 347996, 411268, 521994, 569448, 616902, 672984, 695992, 782991, 822536, 925353, 1043988, 1130987, 1233804, 1565982, 1850706, 2087976, 2261974, 2467608, 3131964, 3392961, 3701412, 4523948, 6263928, 6785922, 7402824, 9047896, 10178883, 13571844, 20357766, 27143688, 40715532, 81431064]

約数ペア:

[(1, 81431064), (2, 40715532), (3, 27143688), (4, 20357766), (6, 13571844), (8, 10178883), (9, 9047896), (11, 7402824), (12, 6785922), (13, 6263928), (18, 4523948), (22, 3701412), (24, 3392961), (26, 3131964), (33, 2467608), (36, 2261974), (39, 2087976), (44, 1850706), (52, 1565982), (66, 1233804), (72, 1130987), (78, 1043988), (88, 925353), (99, 822536), (104, 782991), (117, 695992), (121, 672984), (132, 616902), (143, 569448), (156, 521994), (198, 411268), (234, 347996), (242, 336492), (264, 308451), (286, 284724), (312, 260997), (363, 224328), (396, 205634), (429, 189816), (468, 173998), (484, 168246), (572, 142362), (719, 113256), (726, 112164), (792, 102817), (858, 94908), (936, 86999), (968, 84123), (1089, 74776), (1144, 71181), (1287, 63272), (1438, 56628), (1452, 56082), (1573, 51768), (1716, 47454), (2157, 37752), (2178, 37388), (2574, 31636), (2876, 28314), (2904, 28041), (3146, 25884), (3432, 23727), (4314, 18876), (4356, 18694), (4719, 17256), (5148, 15818), (5752, 14157), (6292, 12942), (6471, 12584), (7909, 10296), (8628, 9438), (8712, 9347)]