263943540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4457}}^1$

素因数の和:4526

約数の個数: 144

約数和(自身を含む): 934682112

約数和(自身を除く): 670738572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3948, 4230, 4457, 4935, 5922, 6580, 8460, 8914, 9870, 11844, 13371, 14805, 17828, 19740, 22285, 26742, 29610, 31199, 40113, 44570, 53484, 59220, 62398, 66855, 80226, 89140, 93597, 124796, 133710, 155995, 160452, 187194, 200565, 209479, 267420, 280791, 311990, 374388, 401130, 418958, 467985, 561582, 623980, 628437, 802260, 837916, 935970, 1047395, 1123164, 1256874, 1403955, 1466353, 1871940, 1885311, 2094790, 2513748, 2807910, 2932706, 3142185, 3770622, 4189580, 4399059, 5615820, 5865412, 6284370, 7331765, 7541244, 8798118, 9426555, 12568740, 13197177, 14663530, 17596236, 18853110, 21995295, 26394354, 29327060, 37706220, 43990590, 52788708, 65985885, 87981180, 131971770, 263943540]

約数ペア:

[(1, 263943540), (2, 131971770), (3, 87981180), (4, 65985885), (5, 52788708), (6, 43990590), (7, 37706220), (9, 29327060), (10, 26394354), (12, 21995295), (14, 18853110), (15, 17596236), (18, 14663530), (20, 13197177), (21, 12568740), (28, 9426555), (30, 8798118), (35, 7541244), (36, 7331765), (42, 6284370), (45, 5865412), (47, 5615820), (60, 4399059), (63, 4189580), (70, 3770622), (84, 3142185), (90, 2932706), (94, 2807910), (105, 2513748), (126, 2094790), (140, 1885311), (141, 1871940), (180, 1466353), (188, 1403955), (210, 1256874), (235, 1123164), (252, 1047395), (282, 935970), (315, 837916), (329, 802260), (420, 628437), (423, 623980), (470, 561582), (564, 467985), (630, 418958), (658, 401130), (705, 374388), (846, 311990), (940, 280791), (987, 267420), (1260, 209479), (1316, 200565), (1410, 187194), (1645, 160452), (1692, 155995), (1974, 133710), (2115, 124796), (2820, 93597), (2961, 89140), (3290, 80226), (3948, 66855), (4230, 62398), (4457, 59220), (4935, 53484), (5922, 44570), (6580, 40113), (8460, 31199), (8914, 29610), (9870, 26742), (11844, 22285), (13371, 19740), (14805, 17828)]