69405280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 96

約数和(自身を含む): 193536000

約数和(自身を除く): 124130720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1999, 2170, 2480, 3472, 3998, 4340, 4960, 6944, 7996, 8680, 9995, 13993, 15992, 17360, 19990, 27986, 31984, 34720, 39980, 55972, 61969, 63968, 69965, 79960, 111944, 123938, 139930, 159920, 223888, 247876, 279860, 309845, 319840, 433783, 447776, 495752, 559720, 619690, 867566, 991504, 1119440, 1239380, 1735132, 1983008, 2168915, 2238880, 2478760, 3470264, 4337830, 4957520, 6940528, 8675660, 9915040, 13881056, 17351320, 34702640, 69405280]

約数ペア:

[(1, 69405280), (2, 34702640), (4, 17351320), (5, 13881056), (7, 9915040), (8, 8675660), (10, 6940528), (14, 4957520), (16, 4337830), (20, 3470264), (28, 2478760), (31, 2238880), (32, 2168915), (35, 1983008), (40, 1735132), (56, 1239380), (62, 1119440), (70, 991504), (80, 867566), (112, 619690), (124, 559720), (140, 495752), (155, 447776), (160, 433783), (217, 319840), (224, 309845), (248, 279860), (280, 247876), (310, 223888), (434, 159920), (496, 139930), (560, 123938), (620, 111944), (868, 79960), (992, 69965), (1085, 63968), (1120, 61969), (1240, 55972), (1736, 39980), (1999, 34720), (2170, 31984), (2480, 27986), (3472, 19990), (3998, 17360), (4340, 15992), (4960, 13993), (6944, 9995), (7996, 8680)]