840276080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:647

約数の個数: 160

約数和(自身を含む): 2333184000

約数和(自身を除く): 1492907920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 97, 112, 124, 140, 155, 194, 217, 248, 280, 310, 388, 434, 485, 496, 499, 560, 620, 679, 776, 868, 970, 998, 1085, 1240, 1358, 1552, 1736, 1940, 1996, 2170, 2480, 2495, 2716, 3007, 3395, 3472, 3493, 3880, 3992, 4340, 4990, 5432, 6014, 6790, 6986, 7760, 7984, 8680, 9980, 10864, 12028, 13580, 13972, 15035, 15469, 17360, 17465, 19960, 21049, 24056, 27160, 27944, 30070, 30938, 34930, 39920, 42098, 48112, 48403, 54320, 55888, 60140, 61876, 69860, 77345, 84196, 96806, 105245, 108283, 120280, 123752, 139720, 154690, 168392, 193612, 210490, 216566, 240560, 242015, 247504, 279440, 309380, 336784, 338821, 387224, 420980, 433132, 484030, 541415, 618760, 677642, 774448, 841960, 866264, 968060, 1082830, 1237520, 1355284, 1500493, 1683920, 1694105, 1732528, 1936120, 2165660, 2710568, 3000986, 3388210, 3872240, 4331320, 5421136, 6001972, 6776420, 7502465, 8662640, 10503451, 12003944, 13552840, 15004930, 21006902, 24007888, 27105680, 30009860, 42013804, 52517255, 60019720, 84027608, 105034510, 120039440, 168055216, 210069020, 420138040, 840276080]

約数ペア:

[(1, 840276080), (2, 420138040), (4, 210069020), (5, 168055216), (7, 120039440), (8, 105034510), (10, 84027608), (14, 60019720), (16, 52517255), (20, 42013804), (28, 30009860), (31, 27105680), (35, 24007888), (40, 21006902), (56, 15004930), (62, 13552840), (70, 12003944), (80, 10503451), (97, 8662640), (112, 7502465), (124, 6776420), (140, 6001972), (155, 5421136), (194, 4331320), (217, 3872240), (248, 3388210), (280, 3000986), (310, 2710568), (388, 2165660), (434, 1936120), (485, 1732528), (496, 1694105), (499, 1683920), (560, 1500493), (620, 1355284), (679, 1237520), (776, 1082830), (868, 968060), (970, 866264), (998, 841960), (1085, 774448), (1240, 677642), (1358, 618760), (1552, 541415), (1736, 484030), (1940, 433132), (1996, 420980), (2170, 387224), (2480, 338821), (2495, 336784), (2716, 309380), (3007, 279440), (3395, 247504), (3472, 242015), (3493, 240560), (3880, 216566), (3992, 210490), (4340, 193612), (4990, 168392), (5432, 154690), (6014, 139720), (6790, 123752), (6986, 120280), (7760, 108283), (7984, 105245), (8680, 96806), (9980, 84196), (10864, 77345), (12028, 69860), (13580, 61876), (13972, 60140), (15035, 55888), (15469, 54320), (17360, 48403), (17465, 48112), (19960, 42098), (21049, 39920), (24056, 34930), (27160, 30938), (27944, 30070)]