281020068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 847566720

約数和(自身を除く): 566546652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 59, 63, 82, 84, 118, 123, 126, 164, 177, 236, 246, 252, 287, 354, 369, 413, 461, 492, 531, 574, 708, 738, 826, 861, 922, 1062, 1148, 1239, 1383, 1476, 1652, 1722, 1844, 2124, 2419, 2478, 2583, 2766, 3227, 3444, 3717, 4149, 4838, 4956, 5166, 5532, 6454, 7257, 7434, 8298, 9676, 9681, 10332, 12908, 14514, 14868, 16596, 16933, 18901, 19362, 21771, 27199, 29028, 29043, 33866, 37802, 38724, 43542, 50799, 54398, 56703, 58086, 67732, 75604, 81597, 87084, 101598, 108796, 113406, 116172, 132307, 152397, 163194, 170109, 190393, 203196, 226812, 244791, 264614, 304794, 326388, 340218, 380786, 396921, 489582, 529228, 571179, 609588, 680436, 761572, 793842, 979164, 1115159, 1142358, 1190763, 1587684, 1713537, 2230318, 2284716, 2381526, 3345477, 3427074, 4460636, 4763052, 6690954, 6854148, 7806113, 10036431, 13381908, 15612226, 20072862, 23418339, 31224452, 40145724, 46836678, 70255017, 93673356, 140510034, 281020068]

約数ペア:

[(1, 281020068), (2, 140510034), (3, 93673356), (4, 70255017), (6, 46836678), (7, 40145724), (9, 31224452), (12, 23418339), (14, 20072862), (18, 15612226), (21, 13381908), (28, 10036431), (36, 7806113), (41, 6854148), (42, 6690954), (59, 4763052), (63, 4460636), (82, 3427074), (84, 3345477), (118, 2381526), (123, 2284716), (126, 2230318), (164, 1713537), (177, 1587684), (236, 1190763), (246, 1142358), (252, 1115159), (287, 979164), (354, 793842), (369, 761572), (413, 680436), (461, 609588), (492, 571179), (531, 529228), (574, 489582), (708, 396921), (738, 380786), (826, 340218), (861, 326388), (922, 304794), (1062, 264614), (1148, 244791), (1239, 226812), (1383, 203196), (1476, 190393), (1652, 170109), (1722, 163194), (1844, 152397), (2124, 132307), (2419, 116172), (2478, 113406), (2583, 108796), (2766, 101598), (3227, 87084), (3444, 81597), (3717, 75604), (4149, 67732), (4838, 58086), (4956, 56703), (5166, 54398), (5532, 50799), (6454, 43542), (7257, 38724), (7434, 37802), (8298, 33866), (9676, 29043), (9681, 29028), (10332, 27199), (12908, 21771), (14514, 19362), (14868, 18901), (16596, 16933)]