280744380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1350

約数の個数: 240

約数和(自身を含む): 1060308480

約数和(自身を除く): 779564100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 324, 342, 378, 380, 399, 405, 420, 513, 532, 540, 567, 570, 630, 665, 684, 756, 798, 810, 855, 945, 1026, 1134, 1140, 1197, 1260, 1303, 1330, 1539, 1596, 1620, 1710, 1890, 1995, 2052, 2268, 2394, 2565, 2606, 2660, 2835, 3078, 3420, 3591, 3780, 3909, 3990, 4788, 5130, 5212, 5670, 5985, 6156, 6515, 7182, 7695, 7818, 7980, 9121, 10260, 10773, 11340, 11727, 11970, 13030, 14364, 15390, 15636, 17955, 18242, 19545, 21546, 23454, 23940, 24757, 26060, 27363, 30780, 35181, 35910, 36484, 39090, 43092, 45605, 46908, 49514, 53865, 54726, 58635, 70362, 71820, 74271, 78180, 82089, 91210, 99028, 105543, 107730, 109452, 117270, 123785, 136815, 140724, 148542, 164178, 173299, 175905, 182420, 211086, 215460, 222813, 234540, 246267, 247570, 273630, 297084, 328356, 346598, 351810, 371355, 410445, 422172, 445626, 492534, 495140, 519897, 527715, 547260, 668439, 693196, 703620, 738801, 742710, 820890, 866495, 891252, 985068, 1039794, 1055430, 1114065, 1231335, 1336878, 1477602, 1485420, 1559691, 1641780, 1732990, 2005317, 2079588, 2110860, 2228130, 2462670, 2599485, 2673756, 2955204, 3119382, 3342195, 3465980, 3694005, 4010634, 4456260, 4679073, 4925340, 5198970, 6238764, 6684390, 7388010, 7798455, 8021268, 9358146, 10026585, 10397940, 13368780, 14037219, 14776020, 15596910, 18716292, 20053170, 23395365, 28074438, 31193820, 40106340, 46790730, 56148876, 70186095, 93581460, 140372190, 280744380]

約数ペア:

[(1, 280744380), (2, 140372190), (3, 93581460), (4, 70186095), (5, 56148876), (6, 46790730), (7, 40106340), (9, 31193820), (10, 28074438), (12, 23395365), (14, 20053170), (15, 18716292), (18, 15596910), (19, 14776020), (20, 14037219), (21, 13368780), (27, 10397940), (28, 10026585), (30, 9358146), (35, 8021268), (36, 7798455), (38, 7388010), (42, 6684390), (45, 6238764), (54, 5198970), (57, 4925340), (60, 4679073), (63, 4456260), (70, 4010634), (76, 3694005), (81, 3465980), (84, 3342195), (90, 3119382), (95, 2955204), (105, 2673756), (108, 2599485), (114, 2462670), (126, 2228130), (133, 2110860), (135, 2079588), (140, 2005317), (162, 1732990), (171, 1641780), (180, 1559691), (189, 1485420), (190, 1477602), (210, 1336878), (228, 1231335), (252, 1114065), (266, 1055430), (270, 1039794), (285, 985068), (315, 891252), (324, 866495), (342, 820890), (378, 742710), (380, 738801), (399, 703620), (405, 693196), (420, 668439), (513, 547260), (532, 527715), (540, 519897), (567, 495140), (570, 492534), (630, 445626), (665, 422172), (684, 410445), (756, 371355), (798, 351810), (810, 346598), (855, 328356), (945, 297084), (1026, 273630), (1134, 247570), (1140, 246267), (1197, 234540), (1260, 222813), (1303, 215460), (1330, 211086), (1539, 182420), (1596, 175905), (1620, 173299), (1710, 164178), (1890, 148542), (1995, 140724), (2052, 136815), (2268, 123785), (2394, 117270), (2565, 109452), (2606, 107730), (2660, 105543), (2835, 99028), (3078, 91210), (3420, 82089), (3591, 78180), (3780, 74271), (3909, 71820), (3990, 70362), (4788, 58635), (5130, 54726), (5212, 53865), (5670, 49514), (5985, 46908), (6156, 45605), (6515, 43092), (7182, 39090), (7695, 36484), (7818, 35910), (7980, 35181), (9121, 30780), (10260, 27363), (10773, 26060), (11340, 24757), (11727, 23940), (11970, 23454), (13030, 21546), (14364, 19545), (15390, 18242), (15636, 17955)]