256403202552

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{15679}}^1$

素因数の和:16226

約数の個数: 192

約数和(自身を含む): 806619340800

約数和(自身を除く): 550216138248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 457, 497, 504, 568, 639, 852, 914, 994, 1278, 1371, 1491, 1704, 1828, 1988, 2556, 2742, 2982, 3199, 3656, 3976, 4113, 4473, 5112, 5484, 5964, 6398, 8226, 8946, 9597, 10968, 11928, 12796, 15679, 16452, 17892, 19194, 25592, 28791, 31358, 32447, 32904, 35784, 38388, 47037, 57582, 62716, 64894, 76776, 94074, 97341, 109753, 115164, 125432, 129788, 141111, 188148, 194682, 219506, 227129, 230328, 259576, 282222, 292023, 329259, 376296, 389364, 439012, 454258, 564444, 584046, 658518, 681387, 778728, 878024, 908516, 987777, 1113209, 1128888, 1168092, 1317036, 1362774, 1817032, 1975554, 2044161, 2226418, 2336184, 2634072, 2725548, 3339627, 3951108, 4088322, 4452836, 5451096, 6679254, 7165303, 7792463, 7902216, 8176644, 8905672, 10018881, 13358508, 14330606, 15584926, 16353288, 20037762, 21495909, 23377389, 26717016, 28661212, 31169852, 40075524, 42991818, 46754778, 50157121, 57322424, 62339704, 64487727, 70132167, 80151048, 85983636, 93509556, 100314242, 128975454, 140264334, 150471363, 171967272, 187019112, 200628484, 257950908, 280528668, 300942726, 401256968, 451414089, 508736513, 515901816, 561057336, 601885452, 902828178, 1017473026, 1203770904, 1526209539, 1805656356, 2034946052, 3052419078, 3561155591, 3611312712, 4069892104, 4578628617, 6104838156, 7122311182, 9157257234, 10683466773, 12209676312, 14244622364, 18314514468, 21366933546, 28489244728, 32050400319, 36629028936, 42733867092, 64100800638, 85467734184, 128201601276, 256403202552]

約数ペア:

[(1, 256403202552), (2, 128201601276), (3, 85467734184), (4, 64100800638), (6, 42733867092), (7, 36629028936), (8, 32050400319), (9, 28489244728), (12, 21366933546), (14, 18314514468), (18, 14244622364), (21, 12209676312), (24, 10683466773), (28, 9157257234), (36, 7122311182), (42, 6104838156), (56, 4578628617), (63, 4069892104), (71, 3611312712), (72, 3561155591), (84, 3052419078), (126, 2034946052), (142, 1805656356), (168, 1526209539), (213, 1203770904), (252, 1017473026), (284, 902828178), (426, 601885452), (457, 561057336), (497, 515901816), (504, 508736513), (568, 451414089), (639, 401256968), (852, 300942726), (914, 280528668), (994, 257950908), (1278, 200628484), (1371, 187019112), (1491, 171967272), (1704, 150471363), (1828, 140264334), (1988, 128975454), (2556, 100314242), (2742, 93509556), (2982, 85983636), (3199, 80151048), (3656, 70132167), (3976, 64487727), (4113, 62339704), (4473, 57322424), (5112, 50157121), (5484, 46754778), (5964, 42991818), (6398, 40075524), (8226, 31169852), (8946, 28661212), (9597, 26717016), (10968, 23377389), (11928, 21495909), (12796, 20037762), (15679, 16353288), (16452, 15584926), (17892, 14330606), (19194, 13358508), (25592, 10018881), (28791, 8905672), (31358, 8176644), (32447, 7902216), (32904, 7792463), (35784, 7165303), (38388, 6679254), (47037, 5451096), (57582, 4452836), (62716, 4088322), (64894, 3951108), (76776, 3339627), (94074, 2725548), (97341, 2634072), (109753, 2336184), (115164, 2226418), (125432, 2044161), (129788, 1975554), (141111, 1817032), (188148, 1362774), (194682, 1317036), (219506, 1168092), (227129, 1128888), (230328, 1113209), (259576, 987777), (282222, 908516), (292023, 878024), (329259, 778728), (376296, 681387), (389364, 658518), (439012, 584046), (454258, 564444)]