1678040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 4656960

約数和(自身を除く): 2978920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 461, 520, 728, 910, 922, 1820, 1844, 2305, 3227, 3640, 3688, 4610, 5993, 6454, 9220, 11986, 12908, 16135, 18440, 23972, 25816, 29965, 32270, 41951, 47944, 59930, 64540, 83902, 119860, 129080, 167804, 209755, 239720, 335608, 419510, 839020, 1678040]

約数ペア:

[(1, 1678040), (2, 839020), (4, 419510), (5, 335608), (7, 239720), (8, 209755), (10, 167804), (13, 129080), (14, 119860), (20, 83902), (26, 64540), (28, 59930), (35, 47944), (40, 41951), (52, 32270), (56, 29965), (65, 25816), (70, 23972), (91, 18440), (104, 16135), (130, 12908), (140, 11986), (182, 9220), (260, 6454), (280, 5993), (364, 4610), (455, 3688), (461, 3640), (520, 3227), (728, 2305), (910, 1844), (922, 1820)]