81607344

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 281419488

約数和(自身を除く): 199812144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 17, 21, 24, 26, 28, 34, 39, 42, 48, 49, 51, 52, 56, 68, 78, 84, 91, 98, 102, 104, 112, 119, 136, 147, 156, 157, 168, 182, 196, 204, 208, 221, 238, 272, 273, 294, 312, 314, 336, 357, 364, 392, 408, 442, 471, 476, 546, 588, 624, 628, 637, 663, 714, 728, 784, 816, 833, 884, 942, 952, 1092, 1099, 1176, 1256, 1274, 1326, 1428, 1456, 1547, 1666, 1768, 1884, 1904, 1911, 2041, 2184, 2198, 2352, 2499, 2512, 2548, 2652, 2669, 2856, 3094, 3297, 3332, 3536, 3768, 3822, 4082, 4368, 4396, 4641, 4998, 5096, 5304, 5338, 5712, 6123, 6188, 6594, 6664, 7536, 7644, 7693, 8007, 8164, 8792, 9282, 9996, 10192, 10608, 10676, 10829, 12246, 12376, 13188, 13328, 14287, 15288, 15386, 16014, 16328, 17584, 18564, 18683, 19992, 21352, 21658, 23079, 24492, 24752, 26376, 28574, 30576, 30772, 32028, 32487, 32656, 34697, 37128, 37366, 39984, 42704, 42861, 43316, 46158, 48984, 52752, 56049, 57148, 61544, 64056, 64974, 69394, 74256, 74732, 85722, 86632, 92316, 97968, 100009, 104091, 112098, 114296, 123088, 128112, 129948, 130781, 138788, 149464, 171444, 173264, 184632, 200018, 208182, 224196, 228592, 242879, 259896, 261562, 277576, 298928, 300027, 342888, 369264, 392343, 400036, 416364, 448392, 485758, 519792, 523124, 555152, 600054, 685776, 728637, 784686, 800072, 832728, 896784, 971516, 1046248, 1200108, 1457274, 1569372, 1600144, 1665456, 1700153, 1943032, 2092496, 2400216, 2914548, 3138744, 3400306, 3886064, 4800432, 5100459, 5829096, 6277488, 6800612, 10200918, 11658192, 13601224, 20401836, 27202448, 40803672, 81607344]

約数ペア:

[(1, 81607344), (2, 40803672), (3, 27202448), (4, 20401836), (6, 13601224), (7, 11658192), (8, 10200918), (12, 6800612), (13, 6277488), (14, 5829096), (16, 5100459), (17, 4800432), (21, 3886064), (24, 3400306), (26, 3138744), (28, 2914548), (34, 2400216), (39, 2092496), (42, 1943032), (48, 1700153), (49, 1665456), (51, 1600144), (52, 1569372), (56, 1457274), (68, 1200108), (78, 1046248), (84, 971516), (91, 896784), (98, 832728), (102, 800072), (104, 784686), (112, 728637), (119, 685776), (136, 600054), (147, 555152), (156, 523124), (157, 519792), (168, 485758), (182, 448392), (196, 416364), (204, 400036), (208, 392343), (221, 369264), (238, 342888), (272, 300027), (273, 298928), (294, 277576), (312, 261562), (314, 259896), (336, 242879), (357, 228592), (364, 224196), (392, 208182), (408, 200018), (442, 184632), (471, 173264), (476, 171444), (546, 149464), (588, 138788), (624, 130781), (628, 129948), (637, 128112), (663, 123088), (714, 114296), (728, 112098), (784, 104091), (816, 100009), (833, 97968), (884, 92316), (942, 86632), (952, 85722), (1092, 74732), (1099, 74256), (1176, 69394), (1256, 64974), (1274, 64056), (1326, 61544), (1428, 57148), (1456, 56049), (1547, 52752), (1666, 48984), (1768, 46158), (1884, 43316), (1904, 42861), (1911, 42704), (2041, 39984), (2184, 37366), (2198, 37128), (2352, 34697), (2499, 32656), (2512, 32487), (2548, 32028), (2652, 30772), (2669, 30576), (2856, 28574), (3094, 26376), (3297, 24752), (3332, 24492), (3536, 23079), (3768, 21658), (3822, 21352), (4082, 19992), (4368, 18683), (4396, 18564), (4641, 17584), (4998, 16328), (5096, 16014), (5304, 15386), (5338, 15288), (5712, 14287), (6123, 13328), (6188, 13188), (6594, 12376), (6664, 12246), (7536, 10829), (7644, 10676), (7693, 10608), (8007, 10192), (8164, 9996), (8792, 9282)]