854727040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 2144056320

約数和(自身を除く): 1289329280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 67, 80, 124, 128, 134, 155, 160, 248, 268, 310, 320, 335, 496, 536, 620, 640, 643, 670, 992, 1072, 1240, 1286, 1340, 1984, 2077, 2144, 2480, 2572, 2680, 3215, 3968, 4154, 4288, 4960, 5144, 5360, 6430, 8308, 8576, 9920, 10288, 10385, 10720, 12860, 16616, 19840, 19933, 20576, 20770, 21440, 25720, 33232, 39866, 41152, 41540, 42880, 43081, 51440, 66464, 79732, 82304, 83080, 86162, 99665, 102880, 132928, 159464, 166160, 172324, 199330, 205760, 215405, 265856, 318928, 332320, 344648, 398660, 411520, 430810, 637856, 664640, 689296, 797320, 861620, 1275712, 1329280, 1335511, 1378592, 1594640, 1723240, 2551424, 2671022, 2757184, 3189280, 3446480, 5342044, 5514368, 6378560, 6677555, 6892960, 10684088, 12757120, 13355110, 13785920, 21368176, 26710220, 27571840, 42736352, 53420440, 85472704, 106840880, 170945408, 213681760, 427363520, 854727040]

約数ペア:

[(1, 854727040), (2, 427363520), (4, 213681760), (5, 170945408), (8, 106840880), (10, 85472704), (16, 53420440), (20, 42736352), (31, 27571840), (32, 26710220), (40, 21368176), (62, 13785920), (64, 13355110), (67, 12757120), (80, 10684088), (124, 6892960), (128, 6677555), (134, 6378560), (155, 5514368), (160, 5342044), (248, 3446480), (268, 3189280), (310, 2757184), (320, 2671022), (335, 2551424), (496, 1723240), (536, 1594640), (620, 1378592), (640, 1335511), (643, 1329280), (670, 1275712), (992, 861620), (1072, 797320), (1240, 689296), (1286, 664640), (1340, 637856), (1984, 430810), (2077, 411520), (2144, 398660), (2480, 344648), (2572, 332320), (2680, 318928), (3215, 265856), (3968, 215405), (4154, 205760), (4288, 199330), (4960, 172324), (5144, 166160), (5360, 159464), (6430, 132928), (8308, 102880), (8576, 99665), (9920, 86162), (10288, 83080), (10385, 82304), (10720, 79732), (12860, 66464), (16616, 51440), (19840, 43081), (19933, 42880), (20576, 41540), (20770, 41152), (21440, 39866), (25720, 33232)]