81856320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:977

約数の個数: 224

約数和(自身を含む): 320210688

約数和(自身を除く): 238354368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 832, 840, 910, 937, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1680, 1820, 1874, 2080, 2184, 2240, 2496, 2730, 2811, 2912, 3120, 3360, 3640, 3748, 4160, 4368, 4685, 5460, 5622, 5824, 6240, 6559, 6720, 7280, 7496, 8736, 9370, 10920, 11244, 12181, 12480, 13118, 14055, 14560, 14992, 17472, 18740, 19677, 21840, 22488, 24362, 26236, 28110, 29120, 29984, 32795, 36543, 37480, 39354, 43680, 44976, 48724, 52472, 56220, 59968, 60905, 65590, 73086, 74960, 78708, 85267, 87360, 89952, 97448, 98385, 104944, 112440, 121810, 131180, 146172, 149920, 157416, 170534, 179904, 182715, 194896, 196770, 209888, 224880, 243620, 255801, 262360, 292344, 299840, 314832, 341068, 365430, 389792, 393540, 419776, 426335, 449760, 487240, 511602, 524720, 584688, 629664, 682136, 730860, 779584, 787080, 852670, 899520, 974480, 1023204, 1049440, 1169376, 1259328, 1279005, 1364272, 1461720, 1574160, 1705340, 1948960, 2046408, 2098880, 2338752, 2558010, 2728544, 2923440, 3148320, 3410680, 3897920, 4092816, 5116020, 5457088, 5846880, 6296640, 6821360, 8185632, 10232040, 11693760, 13642720, 16371264, 20464080, 27285440, 40928160, 81856320]

約数ペア:

[(1, 81856320), (2, 40928160), (3, 27285440), (4, 20464080), (5, 16371264), (6, 13642720), (7, 11693760), (8, 10232040), (10, 8185632), (12, 6821360), (13, 6296640), (14, 5846880), (15, 5457088), (16, 5116020), (20, 4092816), (21, 3897920), (24, 3410680), (26, 3148320), (28, 2923440), (30, 2728544), (32, 2558010), (35, 2338752), (39, 2098880), (40, 2046408), (42, 1948960), (48, 1705340), (52, 1574160), (56, 1461720), (60, 1364272), (64, 1279005), (65, 1259328), (70, 1169376), (78, 1049440), (80, 1023204), (84, 974480), (91, 899520), (96, 852670), (104, 787080), (105, 779584), (112, 730860), (120, 682136), (130, 629664), (140, 584688), (156, 524720), (160, 511602), (168, 487240), (182, 449760), (192, 426335), (195, 419776), (208, 393540), (210, 389792), (224, 365430), (240, 341068), (260, 314832), (273, 299840), (280, 292344), (312, 262360), (320, 255801), (336, 243620), (364, 224880), (390, 209888), (416, 196770), (420, 194896), (448, 182715), (455, 179904), (480, 170534), (520, 157416), (546, 149920), (560, 146172), (624, 131180), (672, 121810), (728, 112440), (780, 104944), (832, 98385), (840, 97448), (910, 89952), (937, 87360), (960, 85267), (1040, 78708), (1092, 74960), (1120, 73086), (1248, 65590), (1344, 60905), (1365, 59968), (1456, 56220), (1560, 52472), (1680, 48724), (1820, 44976), (1874, 43680), (2080, 39354), (2184, 37480), (2240, 36543), (2496, 32795), (2730, 29984), (2811, 29120), (2912, 28110), (3120, 26236), (3360, 24362), (3640, 22488), (3748, 21840), (4160, 19677), (4368, 18740), (4685, 17472), (5460, 14992), (5622, 14560), (5824, 14055), (6240, 13118), (6559, 12480), (6720, 12181), (7280, 11244), (7496, 10920), (8736, 9370)]