87516840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 281698560

約数和(自身を除く): 194181720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 857, 888, 920, 1110, 1380, 1480, 1702, 1714, 2220, 2553, 2571, 2760, 3404, 3428, 4255, 4285, 4440, 5106, 5142, 6808, 6856, 8510, 8570, 10212, 10284, 12765, 12855, 17020, 17140, 19711, 20424, 20568, 25530, 25710, 31709, 34040, 34280, 39422, 51060, 51420, 59133, 63418, 78844, 95127, 98555, 102120, 102840, 118266, 126836, 157688, 158545, 190254, 197110, 236532, 253672, 295665, 317090, 380508, 394220, 473064, 475635, 591330, 634180, 729307, 761016, 788440, 951270, 1182660, 1268360, 1458614, 1902540, 2187921, 2365320, 2917228, 3646535, 3805080, 4375842, 5834456, 7293070, 8751684, 10939605, 14586140, 17503368, 21879210, 29172280, 43758420, 87516840]

約数ペア:

[(1, 87516840), (2, 43758420), (3, 29172280), (4, 21879210), (5, 17503368), (6, 14586140), (8, 10939605), (10, 8751684), (12, 7293070), (15, 5834456), (20, 4375842), (23, 3805080), (24, 3646535), (30, 2917228), (37, 2365320), (40, 2187921), (46, 1902540), (60, 1458614), (69, 1268360), (74, 1182660), (92, 951270), (111, 788440), (115, 761016), (120, 729307), (138, 634180), (148, 591330), (184, 475635), (185, 473064), (222, 394220), (230, 380508), (276, 317090), (296, 295665), (345, 253672), (370, 236532), (444, 197110), (460, 190254), (552, 158545), (555, 157688), (690, 126836), (740, 118266), (851, 102840), (857, 102120), (888, 98555), (920, 95127), (1110, 78844), (1380, 63418), (1480, 59133), (1702, 51420), (1714, 51060), (2220, 39422), (2553, 34280), (2571, 34040), (2760, 31709), (3404, 25710), (3428, 25530), (4255, 20568), (4285, 20424), (4440, 19711), (5106, 17140), (5142, 17020), (6808, 12855), (6856, 12765), (8510, 10284), (8570, 10212)]