128978256

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 374038560

約数和(自身を除く): 245060304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 121, 132, 159, 176, 212, 242, 264, 318, 363, 419, 424, 484, 528, 583, 636, 726, 838, 848, 968, 1166, 1257, 1272, 1452, 1676, 1749, 1936, 2332, 2514, 2544, 2904, 3352, 3498, 4609, 4664, 5028, 5808, 6413, 6704, 6996, 9218, 9328, 10056, 12826, 13827, 13992, 18436, 19239, 20112, 22207, 25652, 27654, 27984, 36872, 38478, 44414, 50699, 51304, 55308, 66621, 73744, 76956, 88828, 101398, 102608, 110616, 133242, 152097, 153912, 177656, 202796, 221232, 244277, 266484, 304194, 307824, 355312, 405592, 488554, 532968, 608388, 732831, 811184, 977108, 1065936, 1216776, 1465662, 1954216, 2433552, 2687047, 2931324, 3908432, 5374094, 5862648, 8061141, 10748188, 11725296, 16122282, 21496376, 32244564, 42992752, 64489128, 128978256]

約数ペア:

[(1, 128978256), (2, 64489128), (3, 42992752), (4, 32244564), (6, 21496376), (8, 16122282), (11, 11725296), (12, 10748188), (16, 8061141), (22, 5862648), (24, 5374094), (33, 3908432), (44, 2931324), (48, 2687047), (53, 2433552), (66, 1954216), (88, 1465662), (106, 1216776), (121, 1065936), (132, 977108), (159, 811184), (176, 732831), (212, 608388), (242, 532968), (264, 488554), (318, 405592), (363, 355312), (419, 307824), (424, 304194), (484, 266484), (528, 244277), (583, 221232), (636, 202796), (726, 177656), (838, 153912), (848, 152097), (968, 133242), (1166, 110616), (1257, 102608), (1272, 101398), (1452, 88828), (1676, 76956), (1749, 73744), (1936, 66621), (2332, 55308), (2514, 51304), (2544, 50699), (2904, 44414), (3352, 38478), (3498, 36872), (4609, 27984), (4664, 27654), (5028, 25652), (5808, 22207), (6413, 20112), (6704, 19239), (6996, 18436), (9218, 13992), (9328, 13827), (10056, 12826)]