51239280

素因数分解:

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

素因数の和:215

約数の個数: 160

約数和(自身を含む): 167989248

約数和(自身を除く): 116749968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 97, 120, 124, 142, 155, 186, 194, 213, 240, 248, 284, 291, 310, 355, 372, 388, 426, 465, 485, 496, 568, 582, 620, 710, 744, 776, 852, 930, 970, 1065, 1136, 1164, 1240, 1420, 1455, 1488, 1552, 1704, 1860, 1940, 2130, 2201, 2328, 2480, 2840, 2910, 3007, 3408, 3720, 3880, 4260, 4402, 4656, 5680, 5820, 6014, 6603, 6887, 7440, 7760, 8520, 8804, 9021, 11005, 11640, 12028, 13206, 13774, 15035, 17040, 17608, 18042, 20661, 22010, 23280, 24056, 26412, 27548, 30070, 33015, 34435, 35216, 36084, 41322, 44020, 45105, 48112, 52824, 55096, 60140, 66030, 68870, 72168, 82644, 88040, 90210, 103305, 105648, 110192, 120280, 132060, 137740, 144336, 165288, 176080, 180420, 206610, 213497, 240560, 264120, 275480, 330576, 360840, 413220, 426994, 528240, 550960, 640491, 721680, 826440, 853988, 1067485, 1280982, 1652880, 1707976, 2134970, 2561964, 3202455, 3415952, 4269940, 5123928, 6404910, 8539880, 10247856, 12809820, 17079760, 25619640, 51239280]

約数ペア:

[(1, 51239280), (2, 25619640), (3, 17079760), (4, 12809820), (5, 10247856), (6, 8539880), (8, 6404910), (10, 5123928), (12, 4269940), (15, 3415952), (16, 3202455), (20, 2561964), (24, 2134970), (30, 1707976), (31, 1652880), (40, 1280982), (48, 1067485), (60, 853988), (62, 826440), (71, 721680), (80, 640491), (93, 550960), (97, 528240), (120, 426994), (124, 413220), (142, 360840), (155, 330576), (186, 275480), (194, 264120), (213, 240560), (240, 213497), (248, 206610), (284, 180420), (291, 176080), (310, 165288), (355, 144336), (372, 137740), (388, 132060), (426, 120280), (465, 110192), (485, 105648), (496, 103305), (568, 90210), (582, 88040), (620, 82644), (710, 72168), (744, 68870), (776, 66030), (852, 60140), (930, 55096), (970, 52824), (1065, 48112), (1136, 45105), (1164, 44020), (1240, 41322), (1420, 36084), (1455, 35216), (1488, 34435), (1552, 33015), (1704, 30070), (1860, 27548), (1940, 26412), (2130, 24056), (2201, 23280), (2328, 22010), (2480, 20661), (2840, 18042), (2910, 17608), (3007, 17040), (3408, 15035), (3720, 13774), (3880, 13206), (4260, 12028), (4402, 11640), (4656, 11005), (5680, 9021), (5820, 8804), (6014, 8520), (6603, 7760), (6887, 7440)]