15981360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3917}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 52469856

約数和(自身を除く): 36488496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 3917, 4080, 7834, 11751, 15668, 19585, 23502, 31336, 39170, 47004, 58755, 62672, 66589, 78340, 94008, 117510, 133178, 156680, 188016, 199767, 235020, 266356, 313360, 332945, 399534, 470040, 532712, 665890, 799068, 940080, 998835, 1065424, 1331780, 1598136, 1997670, 2663560, 3196272, 3995340, 5327120, 7990680, 15981360]

約数ペア:

[(1, 15981360), (2, 7990680), (3, 5327120), (4, 3995340), (5, 3196272), (6, 2663560), (8, 1997670), (10, 1598136), (12, 1331780), (15, 1065424), (16, 998835), (17, 940080), (20, 799068), (24, 665890), (30, 532712), (34, 470040), (40, 399534), (48, 332945), (51, 313360), (60, 266356), (68, 235020), (80, 199767), (85, 188016), (102, 156680), (120, 133178), (136, 117510), (170, 94008), (204, 78340), (240, 66589), (255, 62672), (272, 58755), (340, 47004), (408, 39170), (510, 31336), (680, 23502), (816, 19585), (1020, 15668), (1360, 11751), (2040, 7834), (3917, 4080)]