72943280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1297}}^1$

素因数の和:1366

約数の個数: 80

約数和(自身を含む): 183485280

約数和(自身を除く): 110542000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1297, 1406, 1480, 1520, 2594, 2812, 2960, 3515, 5188, 5624, 6485, 7030, 10376, 11248, 12970, 14060, 20752, 24643, 25940, 28120, 47989, 49286, 51880, 56240, 95978, 98572, 103760, 123215, 191956, 197144, 239945, 246430, 383912, 394288, 479890, 492860, 767824, 911791, 959780, 985720, 1823582, 1919560, 1971440, 3647164, 3839120, 4558955, 7294328, 9117910, 14588656, 18235820, 36471640, 72943280]

約数ペア:

[(1, 72943280), (2, 36471640), (4, 18235820), (5, 14588656), (8, 9117910), (10, 7294328), (16, 4558955), (19, 3839120), (20, 3647164), (37, 1971440), (38, 1919560), (40, 1823582), (74, 985720), (76, 959780), (80, 911791), (95, 767824), (148, 492860), (152, 479890), (185, 394288), (190, 383912), (296, 246430), (304, 239945), (370, 197144), (380, 191956), (592, 123215), (703, 103760), (740, 98572), (760, 95978), (1297, 56240), (1406, 51880), (1480, 49286), (1520, 47989), (2594, 28120), (2812, 25940), (2960, 24643), (3515, 20752), (5188, 14060), (5624, 12970), (6485, 11248), (7030, 10376)]