247512720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 240

約数和(自身を含む): 961813440

約数和(自身を除く): 714300720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1619, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3238, 3640, 3822, 3920, 4368, 4857, 5096, 5460, 5880, 6370, 6476, 7280, 7644, 8095, 9555, 9714, 10192, 10920, 11333, 11760, 12740, 12952, 15288, 16190, 19110, 19428, 21047, 21840, 22666, 24285, 25480, 25904, 30576, 32380, 33999, 38220, 38856, 42094, 45332, 48570, 50960, 56665, 63141, 64760, 67998, 76440, 77712, 79331, 84188, 90664, 97140, 105235, 113330, 126282, 129520, 135996, 147329, 152880, 158662, 168376, 169995, 181328, 194280, 210470, 226660, 237993, 252564, 271992, 294658, 315705, 317324, 336752, 339990, 388560, 396655, 420940, 441987, 453320, 475986, 505128, 543984, 589316, 631410, 634648, 679980, 736645, 793310, 841880, 883974, 906640, 951972, 1010256, 1031303, 1178632, 1189965, 1262820, 1269296, 1359960, 1473290, 1586620, 1683760, 1767948, 1903944, 2062606, 2209935, 2357264, 2379930, 2525640, 2719920, 2946580, 3093909, 3173240, 3535896, 3807888, 4125212, 4419870, 4759860, 5051280, 5156515, 5893160, 6187818, 6346480, 7071792, 8250424, 8839740, 9519720, 10313030, 11786320, 12375636, 15469545, 16500848, 17679480, 19039440, 20626060, 24751272, 30939090, 35358960, 41252120, 49502544, 61878180, 82504240, 123756360, 247512720]

約数ペア:

[(1, 247512720), (2, 123756360), (3, 82504240), (4, 61878180), (5, 49502544), (6, 41252120), (7, 35358960), (8, 30939090), (10, 24751272), (12, 20626060), (13, 19039440), (14, 17679480), (15, 16500848), (16, 15469545), (20, 12375636), (21, 11786320), (24, 10313030), (26, 9519720), (28, 8839740), (30, 8250424), (35, 7071792), (39, 6346480), (40, 6187818), (42, 5893160), (48, 5156515), (49, 5051280), (52, 4759860), (56, 4419870), (60, 4125212), (65, 3807888), (70, 3535896), (78, 3173240), (80, 3093909), (84, 2946580), (91, 2719920), (98, 2525640), (104, 2379930), (105, 2357264), (112, 2209935), (120, 2062606), (130, 1903944), (140, 1767948), (147, 1683760), (156, 1586620), (168, 1473290), (182, 1359960), (195, 1269296), (196, 1262820), (208, 1189965), (210, 1178632), (240, 1031303), (245, 1010256), (260, 951972), (273, 906640), (280, 883974), (294, 841880), (312, 793310), (336, 736645), (364, 679980), (390, 634648), (392, 631410), (420, 589316), (455, 543984), (490, 505128), (520, 475986), (546, 453320), (560, 441987), (588, 420940), (624, 396655), (637, 388560), (728, 339990), (735, 336752), (780, 317324), (784, 315705), (840, 294658), (910, 271992), (980, 252564), (1040, 237993), (1092, 226660), (1176, 210470), (1274, 194280), (1365, 181328), (1456, 169995), (1470, 168376), (1560, 158662), (1619, 152880), (1680, 147329), (1820, 135996), (1911, 129520), (1960, 126282), (2184, 113330), (2352, 105235), (2548, 97140), (2730, 90664), (2940, 84188), (3120, 79331), (3185, 77712), (3238, 76440), (3640, 67998), (3822, 64760), (3920, 63141), (4368, 56665), (4857, 50960), (5096, 48570), (5460, 45332), (5880, 42094), (6370, 38856), (6476, 38220), (7280, 33999), (7644, 32380), (8095, 30576), (9555, 25904), (9714, 25480), (10192, 24285), (10920, 22666), (11333, 21840), (11760, 21047), (12740, 19428), (12952, 19110), (15288, 16190)]