1309280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 3619728

約数和(自身を除く): 2310448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 167, 196, 224, 245, 280, 334, 392, 490, 560, 668, 784, 835, 980, 1120, 1169, 1336, 1568, 1670, 1960, 2338, 2672, 3340, 3920, 4676, 5344, 5845, 6680, 7840, 8183, 9352, 11690, 13360, 16366, 18704, 23380, 26720, 32732, 37408, 40915, 46760, 65464, 81830, 93520, 130928, 163660, 187040, 261856, 327320, 654640, 1309280]

約数ペア:

[(1, 1309280), (2, 654640), (4, 327320), (5, 261856), (7, 187040), (8, 163660), (10, 130928), (14, 93520), (16, 81830), (20, 65464), (28, 46760), (32, 40915), (35, 37408), (40, 32732), (49, 26720), (56, 23380), (70, 18704), (80, 16366), (98, 13360), (112, 11690), (140, 9352), (160, 8183), (167, 7840), (196, 6680), (224, 5845), (245, 5344), (280, 4676), (334, 3920), (392, 3340), (490, 2672), (560, 2338), (668, 1960), (784, 1670), (835, 1568), (980, 1336), (1120, 1169)]