7968870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 26142480

約数和(自身を除く): 18173610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 139, 147, 182, 195, 210, 234, 245, 273, 278, 294, 315, 390, 417, 441, 455, 490, 546, 585, 630, 637, 695, 735, 819, 834, 882, 910, 973, 1170, 1251, 1274, 1365, 1390, 1470, 1638, 1807, 1911, 1946, 2085, 2205, 2502, 2730, 2919, 3185, 3614, 3822, 4095, 4170, 4410, 4865, 5421, 5733, 5838, 6255, 6370, 6811, 8190, 8757, 9035, 9555, 9730, 10842, 11466, 12510, 12649, 13622, 14595, 16263, 17514, 18070, 19110, 20433, 25298, 27105, 28665, 29190, 32526, 34055, 37947, 40866, 43785, 54210, 57330, 61299, 63245, 68110, 75894, 81315, 87570, 88543, 102165, 113841, 122598, 126490, 162630, 177086, 189735, 204330, 227682, 265629, 306495, 379470, 442715, 531258, 569205, 612990, 796887, 885430, 1138410, 1328145, 1593774, 2656290, 3984435, 7968870]

約数ペア:

[(1, 7968870), (2, 3984435), (3, 2656290), (5, 1593774), (6, 1328145), (7, 1138410), (9, 885430), (10, 796887), (13, 612990), (14, 569205), (15, 531258), (18, 442715), (21, 379470), (26, 306495), (30, 265629), (35, 227682), (39, 204330), (42, 189735), (45, 177086), (49, 162630), (63, 126490), (65, 122598), (70, 113841), (78, 102165), (90, 88543), (91, 87570), (98, 81315), (105, 75894), (117, 68110), (126, 63245), (130, 61299), (139, 57330), (147, 54210), (182, 43785), (195, 40866), (210, 37947), (234, 34055), (245, 32526), (273, 29190), (278, 28665), (294, 27105), (315, 25298), (390, 20433), (417, 19110), (441, 18070), (455, 17514), (490, 16263), (546, 14595), (585, 13622), (630, 12649), (637, 12510), (695, 11466), (735, 10842), (819, 9730), (834, 9555), (882, 9035), (910, 8757), (973, 8190), (1170, 6811), (1251, 6370), (1274, 6255), (1365, 5838), (1390, 5733), (1470, 5421), (1638, 4865), (1807, 4410), (1911, 4170), (1946, 4095), (2085, 3822), (2205, 3614), (2502, 3185), (2730, 2919)]