1640047920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1321}}^1$

素因数の和:2083

約数の個数: 160

約数和(自身を含む): 5822722560

約数和(自身を除く): 4182674640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 739, 840, 1321, 1478, 1680, 2217, 2642, 2956, 3695, 3963, 4434, 5173, 5284, 5912, 6605, 7390, 7926, 8868, 9247, 10346, 10568, 11085, 11824, 13210, 14780, 15519, 15852, 17736, 18494, 19815, 20692, 21136, 22170, 25865, 26420, 27741, 29560, 31038, 31704, 35472, 36988, 39630, 41384, 44340, 46235, 51730, 52840, 55482, 59120, 62076, 63408, 73976, 77595, 79260, 82768, 88680, 92470, 103460, 105680, 110964, 124152, 138705, 147952, 155190, 158520, 177360, 184940, 206920, 221928, 248304, 277410, 310380, 317040, 369880, 413840, 443856, 554820, 620760, 739760, 976219, 1109640, 1241520, 1952438, 2219280, 2928657, 3904876, 4881095, 5857314, 6833533, 7809752, 9762190, 11714628, 13667066, 14643285, 15619504, 19524380, 20500599, 23429256, 27334132, 29286570, 34167665, 39048760, 41001198, 46858512, 54668264, 58573140, 68335330, 78097520, 82002396, 102502995, 109336528, 117146280, 136670660, 164004792, 205005990, 234292560, 273341320, 328009584, 410011980, 546682640, 820023960, 1640047920]

約数ペア:

[(1, 1640047920), (2, 820023960), (3, 546682640), (4, 410011980), (5, 328009584), (6, 273341320), (7, 234292560), (8, 205005990), (10, 164004792), (12, 136670660), (14, 117146280), (15, 109336528), (16, 102502995), (20, 82002396), (21, 78097520), (24, 68335330), (28, 58573140), (30, 54668264), (35, 46858512), (40, 41001198), (42, 39048760), (48, 34167665), (56, 29286570), (60, 27334132), (70, 23429256), (80, 20500599), (84, 19524380), (105, 15619504), (112, 14643285), (120, 13667066), (140, 11714628), (168, 9762190), (210, 7809752), (240, 6833533), (280, 5857314), (336, 4881095), (420, 3904876), (560, 2928657), (739, 2219280), (840, 1952438), (1321, 1241520), (1478, 1109640), (1680, 976219), (2217, 739760), (2642, 620760), (2956, 554820), (3695, 443856), (3963, 413840), (4434, 369880), (5173, 317040), (5284, 310380), (5912, 277410), (6605, 248304), (7390, 221928), (7926, 206920), (8868, 184940), (9247, 177360), (10346, 158520), (10568, 155190), (11085, 147952), (11824, 138705), (13210, 124152), (14780, 110964), (15519, 105680), (15852, 103460), (17736, 92470), (18494, 88680), (19815, 82768), (20692, 79260), (21136, 77595), (22170, 73976), (25865, 63408), (26420, 62076), (27741, 59120), (29560, 55482), (31038, 52840), (31704, 51730), (35472, 46235), (36988, 44340), (39630, 41384)]