1377804680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{23321}}^1$

素因数の和:23550

約数の個数: 64

約数和(自身を含む): 3559870080

約数和(自身を除く): 2182065400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 7385, 8440, 11816, 14770, 23321, 29540, 46642, 59080, 93284, 116605, 163247, 186568, 233210, 326494, 466420, 652988, 816235, 932840, 1305976, 1632470, 3264940, 4920731, 6529880, 9841462, 19682924, 24603655, 34445117, 39365848, 49207310, 68890234, 98414620, 137780468, 172225585, 196829240, 275560936, 344451170, 688902340, 1377804680]

約数ペア:

[(1, 1377804680), (2, 688902340), (4, 344451170), (5, 275560936), (7, 196829240), (8, 172225585), (10, 137780468), (14, 98414620), (20, 68890234), (28, 49207310), (35, 39365848), (40, 34445117), (56, 24603655), (70, 19682924), (140, 9841462), (211, 6529880), (280, 4920731), (422, 3264940), (844, 1632470), (1055, 1305976), (1477, 932840), (1688, 816235), (2110, 652988), (2954, 466420), (4220, 326494), (5908, 233210), (7385, 186568), (8440, 163247), (11816, 116605), (14770, 93284), (23321, 59080), (29540, 46642)]