721457520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9137}}^1$

素因数の和:9207

約数の個数: 160

約数和(自身を含む): 2610690048

約数和(自身を除く): 1889232528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 1128, 1316, 1410, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3290, 3760, 3948, 4935, 5264, 5640, 6580, 7896, 9137, 9870, 11280, 13160, 15792, 18274, 19740, 26320, 27411, 36548, 39480, 45685, 54822, 63959, 73096, 78960, 91370, 109644, 127918, 137055, 146192, 182740, 191877, 219288, 255836, 274110, 319795, 365480, 383754, 429439, 438576, 511672, 548220, 639590, 730960, 767508, 858878, 959385, 1023344, 1096440, 1279180, 1288317, 1535016, 1717756, 1918770, 2147195, 2192880, 2558360, 2576634, 3006073, 3070032, 3435512, 3837540, 4294390, 5116720, 5153268, 6012146, 6441585, 6871024, 7675080, 8588780, 9018219, 10306536, 12024292, 12883170, 15030365, 15350160, 17177560, 18036438, 20613072, 24048584, 25766340, 30060730, 34355120, 36072876, 45091095, 48097168, 51532680, 60121460, 72145752, 90182190, 103065360, 120242920, 144291504, 180364380, 240485840, 360728760, 721457520]

約数ペア:

[(1, 721457520), (2, 360728760), (3, 240485840), (4, 180364380), (5, 144291504), (6, 120242920), (7, 103065360), (8, 90182190), (10, 72145752), (12, 60121460), (14, 51532680), (15, 48097168), (16, 45091095), (20, 36072876), (21, 34355120), (24, 30060730), (28, 25766340), (30, 24048584), (35, 20613072), (40, 18036438), (42, 17177560), (47, 15350160), (48, 15030365), (56, 12883170), (60, 12024292), (70, 10306536), (80, 9018219), (84, 8588780), (94, 7675080), (105, 6871024), (112, 6441585), (120, 6012146), (140, 5153268), (141, 5116720), (168, 4294390), (188, 3837540), (210, 3435512), (235, 3070032), (240, 3006073), (280, 2576634), (282, 2558360), (329, 2192880), (336, 2147195), (376, 1918770), (420, 1717756), (470, 1535016), (560, 1288317), (564, 1279180), (658, 1096440), (705, 1023344), (752, 959385), (840, 858878), (940, 767508), (987, 730960), (1128, 639590), (1316, 548220), (1410, 511672), (1645, 438576), (1680, 429439), (1880, 383754), (1974, 365480), (2256, 319795), (2632, 274110), (2820, 255836), (3290, 219288), (3760, 191877), (3948, 182740), (4935, 146192), (5264, 137055), (5640, 127918), (6580, 109644), (7896, 91370), (9137, 78960), (9870, 73096), (11280, 63959), (13160, 54822), (15792, 45685), (18274, 39480), (19740, 36548), (26320, 27411)]