81472716

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2$

素因数の和:110

約数の個数: 180

約数和(自身を含む): 247879632

約数和(自身を除く): 166406916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 29, 36, 39, 46, 52, 54, 58, 69, 78, 81, 87, 92, 108, 116, 117, 138, 156, 162, 174, 207, 234, 261, 276, 299, 324, 348, 351, 377, 414, 468, 522, 598, 621, 667, 702, 754, 783, 828, 841, 897, 1044, 1053, 1131, 1196, 1242, 1334, 1404, 1508, 1566, 1682, 1794, 1863, 2001, 2106, 2262, 2349, 2484, 2523, 2668, 2691, 3132, 3364, 3393, 3588, 3726, 4002, 4212, 4524, 4698, 5046, 5382, 6003, 6786, 7452, 7569, 8004, 8073, 8671, 9396, 10092, 10179, 10764, 10933, 12006, 13572, 15138, 16146, 17342, 18009, 19343, 20358, 21866, 22707, 24012, 24219, 26013, 30276, 30537, 32292, 32799, 34684, 36018, 38686, 40716, 43732, 45414, 48438, 52026, 54027, 58029, 61074, 65598, 68121, 72036, 77372, 78039, 90828, 96876, 98397, 104052, 108054, 116058, 122148, 131196, 136242, 156078, 174087, 196794, 216108, 232116, 234117, 251459, 272484, 295191, 312156, 348174, 393588, 468234, 502918, 522261, 590382, 696348, 702351, 754377, 885573, 936468, 1005836, 1044522, 1180764, 1404702, 1508754, 1566783, 1771146, 2089044, 2263131, 2809404, 3017508, 3133566, 3542292, 4526262, 6267132, 6789393, 9052524, 13578786, 20368179, 27157572, 40736358, 81472716]

約数ペア:

[(1, 81472716), (2, 40736358), (3, 27157572), (4, 20368179), (6, 13578786), (9, 9052524), (12, 6789393), (13, 6267132), (18, 4526262), (23, 3542292), (26, 3133566), (27, 3017508), (29, 2809404), (36, 2263131), (39, 2089044), (46, 1771146), (52, 1566783), (54, 1508754), (58, 1404702), (69, 1180764), (78, 1044522), (81, 1005836), (87, 936468), (92, 885573), (108, 754377), (116, 702351), (117, 696348), (138, 590382), (156, 522261), (162, 502918), (174, 468234), (207, 393588), (234, 348174), (261, 312156), (276, 295191), (299, 272484), (324, 251459), (348, 234117), (351, 232116), (377, 216108), (414, 196794), (468, 174087), (522, 156078), (598, 136242), (621, 131196), (667, 122148), (702, 116058), (754, 108054), (783, 104052), (828, 98397), (841, 96876), (897, 90828), (1044, 78039), (1053, 77372), (1131, 72036), (1196, 68121), (1242, 65598), (1334, 61074), (1404, 58029), (1508, 54027), (1566, 52026), (1682, 48438), (1794, 45414), (1863, 43732), (2001, 40716), (2106, 38686), (2262, 36018), (2349, 34684), (2484, 32799), (2523, 32292), (2668, 30537), (2691, 30276), (3132, 26013), (3364, 24219), (3393, 24012), (3588, 22707), (3726, 21866), (4002, 20358), (4212, 19343), (4524, 18009), (4698, 17342), (5046, 16146), (5382, 15138), (6003, 13572), (6786, 12006), (7452, 10933), (7569, 10764), (8004, 10179), (8073, 10092), (8671, 9396)]