8720222775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 16006975488

約数和(自身を除く): 7286752713

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 83, 165, 249, 275, 347, 367, 415, 825, 913, 1041, 1101, 1245, 1735, 1835, 2075, 2739, 3817, 4037, 4565, 5205, 5505, 6225, 8675, 9175, 11451, 12111, 13695, 19085, 20185, 22825, 26025, 27525, 28801, 30461, 57255, 60555, 68475, 86403, 91383, 95425, 100925, 127349, 144005, 152305, 286275, 302775, 316811, 335071, 382047, 432015, 456915, 636745, 720025, 761525, 950433, 1005213, 1400839, 1584055, 1675355, 1910235, 2160075, 2284575, 3183725, 4202517, 4752165, 5026065, 7004195, 7920275, 8376775, 9551175, 10569967, 21012585, 23760825, 25130325, 31709901, 35020975, 52849835, 105062925, 116269637, 158549505, 264249175, 348808911, 581348185, 792747525, 1744044555, 2906740925, 8720222775]

約数ペア:

[(1, 8720222775), (3, 2906740925), (5, 1744044555), (11, 792747525), (15, 581348185), (25, 348808911), (33, 264249175), (55, 158549505), (75, 116269637), (83, 105062925), (165, 52849835), (249, 35020975), (275, 31709901), (347, 25130325), (367, 23760825), (415, 21012585), (825, 10569967), (913, 9551175), (1041, 8376775), (1101, 7920275), (1245, 7004195), (1735, 5026065), (1835, 4752165), (2075, 4202517), (2739, 3183725), (3817, 2284575), (4037, 2160075), (4565, 1910235), (5205, 1675355), (5505, 1584055), (6225, 1400839), (8675, 1005213), (9175, 950433), (11451, 761525), (12111, 720025), (13695, 636745), (19085, 456915), (20185, 432015), (22825, 382047), (26025, 335071), (27525, 316811), (28801, 302775), (30461, 286275), (57255, 152305), (60555, 144005), (68475, 127349), (86403, 100925), (91383, 95425)]