158692720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1154

約数の個数: 80

約数和(自身を含む): 387475200

約数和(自身を除く): 228782480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1049, 1220, 1240, 1891, 2098, 2440, 2480, 3782, 4196, 4880, 5245, 7564, 8392, 9455, 10490, 15128, 16784, 18910, 20980, 30256, 32519, 37820, 41960, 63989, 65038, 75640, 83920, 127978, 130076, 151280, 162595, 255956, 260152, 319945, 325190, 511912, 520304, 639890, 650380, 1023824, 1279780, 1300760, 1983659, 2559560, 2601520, 3967318, 5119120, 7934636, 9918295, 15869272, 19836590, 31738544, 39673180, 79346360, 158692720]

約数ペア:

[(1, 158692720), (2, 79346360), (4, 39673180), (5, 31738544), (8, 19836590), (10, 15869272), (16, 9918295), (20, 7934636), (31, 5119120), (40, 3967318), (61, 2601520), (62, 2559560), (80, 1983659), (122, 1300760), (124, 1279780), (155, 1023824), (244, 650380), (248, 639890), (305, 520304), (310, 511912), (488, 325190), (496, 319945), (610, 260152), (620, 255956), (976, 162595), (1049, 151280), (1220, 130076), (1240, 127978), (1891, 83920), (2098, 75640), (2440, 65038), (2480, 63989), (3782, 41960), (4196, 37820), (4880, 32519), (5245, 30256), (7564, 20980), (8392, 18910), (9455, 16784), (10490, 15128)]