71427720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 273530880

約数和(自身を除く): 202103160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 211, 217, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 422, 434, 455, 465, 520, 546, 620, 633, 651, 728, 744, 780, 806, 840, 844, 868, 910, 930, 1055, 1085, 1092, 1209, 1240, 1266, 1302, 1365, 1477, 1560, 1612, 1688, 1736, 1820, 1860, 2015, 2110, 2170, 2184, 2418, 2532, 2604, 2730, 2743, 2821, 2954, 3165, 3224, 3255, 3640, 3720, 4030, 4220, 4340, 4431, 4836, 5064, 5208, 5460, 5486, 5642, 5908, 6045, 6330, 6510, 6541, 7385, 8060, 8229, 8440, 8463, 8680, 8862, 9672, 10920, 10972, 11284, 11816, 12090, 12660, 13020, 13082, 13715, 14105, 14770, 16120, 16458, 16926, 17724, 19201, 19623, 21944, 22155, 22568, 24180, 25320, 26040, 26164, 27430, 28210, 29540, 32705, 32916, 33852, 35448, 38402, 39246, 41145, 42315, 44310, 45787, 48360, 52328, 54860, 56420, 57603, 59080, 65410, 65832, 67704, 76804, 78492, 82290, 84630, 85033, 88620, 91574, 96005, 98115, 109720, 112840, 115206, 130820, 137361, 153608, 156984, 164580, 169260, 170066, 177240, 183148, 192010, 196230, 228935, 230412, 255099, 261640, 274722, 288015, 329160, 338520, 340132, 366296, 384020, 392460, 425165, 457870, 460824, 510198, 549444, 576030, 595231, 680264, 686805, 768040, 784920, 850330, 915740, 1020396, 1098888, 1152060, 1190462, 1275495, 1373610, 1700660, 1785693, 1831480, 2040792, 2304120, 2380924, 2550990, 2747220, 2976155, 3401320, 3571386, 4761848, 5101980, 5494440, 5952310, 7142772, 8928465, 10203960, 11904620, 14285544, 17856930, 23809240, 35713860, 71427720]

約数ペア:

[(1, 71427720), (2, 35713860), (3, 23809240), (4, 17856930), (5, 14285544), (6, 11904620), (7, 10203960), (8, 8928465), (10, 7142772), (12, 5952310), (13, 5494440), (14, 5101980), (15, 4761848), (20, 3571386), (21, 3401320), (24, 2976155), (26, 2747220), (28, 2550990), (30, 2380924), (31, 2304120), (35, 2040792), (39, 1831480), (40, 1785693), (42, 1700660), (52, 1373610), (56, 1275495), (60, 1190462), (62, 1152060), (65, 1098888), (70, 1020396), (78, 915740), (84, 850330), (91, 784920), (93, 768040), (104, 686805), (105, 680264), (120, 595231), (124, 576030), (130, 549444), (140, 510198), (155, 460824), (156, 457870), (168, 425165), (182, 392460), (186, 384020), (195, 366296), (210, 340132), (211, 338520), (217, 329160), (248, 288015), (260, 274722), (273, 261640), (280, 255099), (310, 230412), (312, 228935), (364, 196230), (372, 192010), (390, 183148), (403, 177240), (420, 170066), (422, 169260), (434, 164580), (455, 156984), (465, 153608), (520, 137361), (546, 130820), (620, 115206), (633, 112840), (651, 109720), (728, 98115), (744, 96005), (780, 91574), (806, 88620), (840, 85033), (844, 84630), (868, 82290), (910, 78492), (930, 76804), (1055, 67704), (1085, 65832), (1092, 65410), (1209, 59080), (1240, 57603), (1266, 56420), (1302, 54860), (1365, 52328), (1477, 48360), (1560, 45787), (1612, 44310), (1688, 42315), (1736, 41145), (1820, 39246), (1860, 38402), (2015, 35448), (2110, 33852), (2170, 32916), (2184, 32705), (2418, 29540), (2532, 28210), (2604, 27430), (2730, 26164), (2743, 26040), (2821, 25320), (2954, 24180), (3165, 22568), (3224, 22155), (3255, 21944), (3640, 19623), (3720, 19201), (4030, 17724), (4220, 16926), (4340, 16458), (4431, 16120), (4836, 14770), (5064, 14105), (5208, 13715), (5460, 13082), (5486, 13020), (5642, 12660), (5908, 12090), (6045, 11816), (6330, 11284), (6510, 10972), (6541, 10920), (7385, 9672), (8060, 8862), (8229, 8680), (8440, 8463)]