257845680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{39791}}^1$

素因数の和:39816

約数の個数: 100

約数和(自身を含む): 895558752

約数和(自身を除く): 637713072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 39791, 79582, 119373, 159164, 198955, 238746, 318328, 358119, 397910, 477492, 596865, 636656, 716238, 795820, 954984, 1074357, 1193730, 1432476, 1591640, 1790595, 1909968, 2148714, 2387460, 2864952, 3183280, 3223071, 3581190, 4297428, 4774920, 5371785, 5729904, 6446142, 7162380, 8594856, 9549840, 10743570, 12892284, 14324760, 16115355, 17189712, 21487140, 25784568, 28649520, 32230710, 42974280, 51569136, 64461420, 85948560, 128922840, 257845680]

約数ペア:

[(1, 257845680), (2, 128922840), (3, 85948560), (4, 64461420), (5, 51569136), (6, 42974280), (8, 32230710), (9, 28649520), (10, 25784568), (12, 21487140), (15, 17189712), (16, 16115355), (18, 14324760), (20, 12892284), (24, 10743570), (27, 9549840), (30, 8594856), (36, 7162380), (40, 6446142), (45, 5729904), (48, 5371785), (54, 4774920), (60, 4297428), (72, 3581190), (80, 3223071), (81, 3183280), (90, 2864952), (108, 2387460), (120, 2148714), (135, 1909968), (144, 1790595), (162, 1591640), (180, 1432476), (216, 1193730), (240, 1074357), (270, 954984), (324, 795820), (360, 716238), (405, 636656), (432, 596865), (540, 477492), (648, 397910), (720, 358119), (810, 318328), (1080, 238746), (1296, 198955), (1620, 159164), (2160, 119373), (3240, 79582), (6480, 39791)]