256196400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 867944448

約数和(自身を除く): 611748048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 48, 50, 60, 62, 71, 75, 80, 93, 97, 100, 120, 124, 142, 150, 155, 186, 194, 200, 213, 240, 248, 284, 291, 300, 310, 355, 372, 388, 400, 426, 465, 485, 496, 568, 582, 600, 620, 710, 744, 775, 776, 852, 930, 970, 1065, 1136, 1164, 1200, 1240, 1420, 1455, 1488, 1550, 1552, 1704, 1775, 1860, 1940, 2130, 2201, 2325, 2328, 2425, 2480, 2840, 2910, 3007, 3100, 3408, 3550, 3720, 3880, 4260, 4402, 4650, 4656, 4850, 5325, 5680, 5820, 6014, 6200, 6603, 6887, 7100, 7275, 7440, 7760, 8520, 8804, 9021, 9300, 9700, 10650, 11005, 11640, 12028, 12400, 13206, 13774, 14200, 14550, 15035, 17040, 17608, 18042, 18600, 19400, 20661, 21300, 22010, 23280, 24056, 26412, 27548, 28400, 29100, 30070, 33015, 34435, 35216, 36084, 37200, 38800, 41322, 42600, 44020, 45105, 48112, 52824, 55025, 55096, 58200, 60140, 66030, 68870, 72168, 75175, 82644, 85200, 88040, 90210, 103305, 105648, 110050, 110192, 116400, 120280, 132060, 137740, 144336, 150350, 165075, 165288, 172175, 176080, 180420, 206610, 213497, 220100, 225525, 240560, 264120, 275480, 300700, 330150, 330576, 344350, 360840, 413220, 426994, 440200, 451050, 516525, 528240, 550960, 601400, 640491, 660300, 688700, 721680, 826440, 853988, 880400, 902100, 1033050, 1067485, 1202800, 1280982, 1320600, 1377400, 1652880, 1707976, 1804200, 2066100, 2134970, 2561964, 2641200, 2754800, 3202455, 3415952, 3608400, 4132200, 4269940, 5123928, 5337425, 6404910, 8264400, 8539880, 10247856, 10674850, 12809820, 16012275, 17079760, 21349700, 25619640, 32024550, 42699400, 51239280, 64049100, 85398800, 128098200, 256196400]

約数ペア:

[(1, 256196400), (2, 128098200), (3, 85398800), (4, 64049100), (5, 51239280), (6, 42699400), (8, 32024550), (10, 25619640), (12, 21349700), (15, 17079760), (16, 16012275), (20, 12809820), (24, 10674850), (25, 10247856), (30, 8539880), (31, 8264400), (40, 6404910), (48, 5337425), (50, 5123928), (60, 4269940), (62, 4132200), (71, 3608400), (75, 3415952), (80, 3202455), (93, 2754800), (97, 2641200), (100, 2561964), (120, 2134970), (124, 2066100), (142, 1804200), (150, 1707976), (155, 1652880), (186, 1377400), (194, 1320600), (200, 1280982), (213, 1202800), (240, 1067485), (248, 1033050), (284, 902100), (291, 880400), (300, 853988), (310, 826440), (355, 721680), (372, 688700), (388, 660300), (400, 640491), (426, 601400), (465, 550960), (485, 528240), (496, 516525), (568, 451050), (582, 440200), (600, 426994), (620, 413220), (710, 360840), (744, 344350), (775, 330576), (776, 330150), (852, 300700), (930, 275480), (970, 264120), (1065, 240560), (1136, 225525), (1164, 220100), (1200, 213497), (1240, 206610), (1420, 180420), (1455, 176080), (1488, 172175), (1550, 165288), (1552, 165075), (1704, 150350), (1775, 144336), (1860, 137740), (1940, 132060), (2130, 120280), (2201, 116400), (2325, 110192), (2328, 110050), (2425, 105648), (2480, 103305), (2840, 90210), (2910, 88040), (3007, 85200), (3100, 82644), (3408, 75175), (3550, 72168), (3720, 68870), (3880, 66030), (4260, 60140), (4402, 58200), (4650, 55096), (4656, 55025), (4850, 52824), (5325, 48112), (5680, 45105), (5820, 44020), (6014, 42600), (6200, 41322), (6603, 38800), (6887, 37200), (7100, 36084), (7275, 35216), (7440, 34435), (7760, 33015), (8520, 30070), (8804, 29100), (9021, 28400), (9300, 27548), (9700, 26412), (10650, 24056), (11005, 23280), (11640, 22010), (12028, 21300), (12400, 20661), (13206, 19400), (13774, 18600), (14200, 18042), (14550, 17608), (15035, 17040)]