640057572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6997}}^1$

素因数の和:7039

約数の個数: 144

約数和(自身を含む): 2084844160

約数和(自身を除く): 1444786588

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 231, 242, 252, 297, 308, 363, 378, 396, 462, 484, 594, 693, 726, 756, 847, 924, 1089, 1188, 1386, 1452, 1694, 2079, 2178, 2541, 2772, 3267, 3388, 4158, 4356, 5082, 6534, 6997, 7623, 8316, 10164, 13068, 13994, 15246, 20991, 22869, 27988, 30492, 41982, 45738, 48979, 62973, 76967, 83964, 91476, 97958, 125946, 146937, 153934, 188919, 195916, 230901, 251892, 293874, 307868, 377838, 440811, 461802, 538769, 587748, 692703, 755676, 846637, 881622, 923604, 1077538, 1322433, 1385406, 1616307, 1693274, 1763244, 2078109, 2155076, 2539911, 2644866, 2770812, 3232614, 3386548, 4156218, 4848921, 5079822, 5289732, 5926459, 6465228, 7619733, 8312436, 9697842, 10159644, 11852918, 14546763, 15239466, 17779377, 19395684, 22859199, 23705836, 29093526, 30478932, 35558754, 45718398, 53338131, 58187052, 71117508, 91436796, 106676262, 160014393, 213352524, 320028786, 640057572]

約数ペア:

[(1, 640057572), (2, 320028786), (3, 213352524), (4, 160014393), (6, 106676262), (7, 91436796), (9, 71117508), (11, 58187052), (12, 53338131), (14, 45718398), (18, 35558754), (21, 30478932), (22, 29093526), (27, 23705836), (28, 22859199), (33, 19395684), (36, 17779377), (42, 15239466), (44, 14546763), (54, 11852918), (63, 10159644), (66, 9697842), (77, 8312436), (84, 7619733), (99, 6465228), (108, 5926459), (121, 5289732), (126, 5079822), (132, 4848921), (154, 4156218), (189, 3386548), (198, 3232614), (231, 2770812), (242, 2644866), (252, 2539911), (297, 2155076), (308, 2078109), (363, 1763244), (378, 1693274), (396, 1616307), (462, 1385406), (484, 1322433), (594, 1077538), (693, 923604), (726, 881622), (756, 846637), (847, 755676), (924, 692703), (1089, 587748), (1188, 538769), (1386, 461802), (1452, 440811), (1694, 377838), (2079, 307868), (2178, 293874), (2541, 251892), (2772, 230901), (3267, 195916), (3388, 188919), (4158, 153934), (4356, 146937), (5082, 125946), (6534, 97958), (6997, 91476), (7623, 83964), (8316, 76967), (10164, 62973), (13068, 48979), (13994, 45738), (15246, 41982), (20991, 30492), (22869, 27988)]