637096720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3541}}^1$

素因数の和:3740

約数の個数: 80

約数和(自身を含む): 1604866032

約数和(自身を除く): 967769312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 173, 208, 260, 346, 520, 692, 865, 1040, 1384, 1730, 2249, 2768, 3460, 3541, 4498, 6920, 7082, 8996, 11245, 13840, 14164, 17705, 17992, 22490, 28328, 35410, 35984, 44980, 46033, 56656, 70820, 89960, 92066, 141640, 179920, 184132, 230165, 283280, 368264, 460330, 612593, 736528, 920660, 1225186, 1841320, 2450372, 3062965, 3682640, 4900744, 6125930, 7963709, 9801488, 12251860, 15927418, 24503720, 31854836, 39818545, 49007440, 63709672, 79637090, 127419344, 159274180, 318548360, 637096720]

約数ペア:

[(1, 637096720), (2, 318548360), (4, 159274180), (5, 127419344), (8, 79637090), (10, 63709672), (13, 49007440), (16, 39818545), (20, 31854836), (26, 24503720), (40, 15927418), (52, 12251860), (65, 9801488), (80, 7963709), (104, 6125930), (130, 4900744), (173, 3682640), (208, 3062965), (260, 2450372), (346, 1841320), (520, 1225186), (692, 920660), (865, 736528), (1040, 612593), (1384, 460330), (1730, 368264), (2249, 283280), (2768, 230165), (3460, 184132), (3541, 179920), (4498, 141640), (6920, 92066), (7082, 89960), (8996, 70820), (11245, 56656), (13840, 46033), (14164, 44980), (17705, 35984), (17992, 35410), (22490, 28328)]