638570256

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{1621}}^1$

素因数の和:1944

約数の個数: 80

約数和(自身を含む): 1713610560

約数和(自身を除く): 1075040304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 283, 348, 464, 566, 696, 849, 1132, 1392, 1621, 1698, 2264, 3242, 3396, 4528, 4863, 6484, 6792, 8207, 9726, 12968, 13584, 16414, 19452, 24621, 25936, 32828, 38904, 47009, 49242, 65656, 77808, 94018, 98484, 131312, 141027, 188036, 196968, 282054, 376072, 393936, 458743, 564108, 752144, 917486, 1128216, 1376229, 1834972, 2256432, 2752458, 3669944, 5504916, 7339888, 11009832, 13303547, 22019664, 26607094, 39910641, 53214188, 79821282, 106428376, 159642564, 212856752, 319285128, 638570256]

約数ペア:

[(1, 638570256), (2, 319285128), (3, 212856752), (4, 159642564), (6, 106428376), (8, 79821282), (12, 53214188), (16, 39910641), (24, 26607094), (29, 22019664), (48, 13303547), (58, 11009832), (87, 7339888), (116, 5504916), (174, 3669944), (232, 2752458), (283, 2256432), (348, 1834972), (464, 1376229), (566, 1128216), (696, 917486), (849, 752144), (1132, 564108), (1392, 458743), (1621, 393936), (1698, 376072), (2264, 282054), (3242, 196968), (3396, 188036), (4528, 141027), (4863, 131312), (6484, 98484), (6792, 94018), (8207, 77808), (9726, 65656), (12968, 49242), (13584, 47009), (16414, 38904), (19452, 32828), (24621, 25936)]