81831360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 224

約数和(自身を含む): 286755840

約数和(自身を除く): 204924480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 79, 80, 83, 96, 104, 120, 130, 156, 158, 160, 166, 192, 195, 208, 237, 240, 249, 260, 312, 316, 320, 332, 390, 395, 415, 416, 474, 480, 498, 520, 624, 632, 664, 780, 790, 830, 832, 948, 960, 996, 1027, 1040, 1079, 1185, 1245, 1248, 1264, 1328, 1560, 1580, 1660, 1896, 1992, 2054, 2080, 2158, 2370, 2490, 2496, 2528, 2656, 3081, 3120, 3160, 3237, 3320, 3792, 3984, 4108, 4160, 4316, 4740, 4980, 5056, 5135, 5312, 5395, 6162, 6240, 6320, 6474, 6557, 6640, 7584, 7968, 8216, 8632, 9480, 9960, 10270, 10790, 12324, 12480, 12640, 12948, 13114, 13280, 15168, 15405, 15936, 16185, 16432, 17264, 18960, 19671, 19920, 20540, 21580, 24648, 25280, 25896, 26228, 26560, 30810, 32370, 32785, 32864, 34528, 37920, 39342, 39840, 41080, 43160, 49296, 51792, 52456, 61620, 64740, 65570, 65728, 69056, 75840, 78684, 79680, 82160, 85241, 86320, 98355, 98592, 103584, 104912, 123240, 129480, 131140, 157368, 164320, 170482, 172640, 196710, 197184, 207168, 209824, 246480, 255723, 258960, 262280, 314736, 328640, 340964, 345280, 393420, 419648, 426205, 492960, 511446, 517920, 524560, 629472, 681928, 786840, 852410, 985920, 1022892, 1035840, 1049120, 1258944, 1278615, 1363856, 1573680, 1704820, 2045784, 2098240, 2557230, 2727712, 3147360, 3409640, 4091568, 5114460, 5455424, 6294720, 6819280, 8183136, 10228920, 13638560, 16366272, 20457840, 27277120, 40915680, 81831360]

約数ペア:

[(1, 81831360), (2, 40915680), (3, 27277120), (4, 20457840), (5, 16366272), (6, 13638560), (8, 10228920), (10, 8183136), (12, 6819280), (13, 6294720), (15, 5455424), (16, 5114460), (20, 4091568), (24, 3409640), (26, 3147360), (30, 2727712), (32, 2557230), (39, 2098240), (40, 2045784), (48, 1704820), (52, 1573680), (60, 1363856), (64, 1278615), (65, 1258944), (78, 1049120), (79, 1035840), (80, 1022892), (83, 985920), (96, 852410), (104, 786840), (120, 681928), (130, 629472), (156, 524560), (158, 517920), (160, 511446), (166, 492960), (192, 426205), (195, 419648), (208, 393420), (237, 345280), (240, 340964), (249, 328640), (260, 314736), (312, 262280), (316, 258960), (320, 255723), (332, 246480), (390, 209824), (395, 207168), (415, 197184), (416, 196710), (474, 172640), (480, 170482), (498, 164320), (520, 157368), (624, 131140), (632, 129480), (664, 123240), (780, 104912), (790, 103584), (830, 98592), (832, 98355), (948, 86320), (960, 85241), (996, 82160), (1027, 79680), (1040, 78684), (1079, 75840), (1185, 69056), (1245, 65728), (1248, 65570), (1264, 64740), (1328, 61620), (1560, 52456), (1580, 51792), (1660, 49296), (1896, 43160), (1992, 41080), (2054, 39840), (2080, 39342), (2158, 37920), (2370, 34528), (2490, 32864), (2496, 32785), (2528, 32370), (2656, 30810), (3081, 26560), (3120, 26228), (3160, 25896), (3237, 25280), (3320, 24648), (3792, 21580), (3984, 20540), (4108, 19920), (4160, 19671), (4316, 18960), (4740, 17264), (4980, 16432), (5056, 16185), (5135, 15936), (5312, 15405), (5395, 15168), (6162, 13280), (6240, 13114), (6320, 12948), (6474, 12640), (6557, 12480), (6640, 12324), (7584, 10790), (7968, 10270), (8216, 9960), (8632, 9480)]