128440080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{6607}}^1$

素因数の和:6635

約数の個数: 120

約数和(自身を含む): 447388032

約数和(自身を除く): 318947952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 6607, 9720, 13214, 19440, 19821, 26428, 33035, 39642, 52856, 59463, 66070, 79284, 99105, 105712, 118926, 132140, 158568, 178389, 198210, 237852, 264280, 297315, 317136, 356778, 396420, 475704, 528560, 535167, 594630, 713556, 792840, 891945, 951408, 1070334, 1189260, 1427112, 1585680, 1605501, 1783890, 2140668, 2378520, 2675835, 2854224, 3211002, 3567780, 4281336, 4757040, 5351670, 6422004, 7135560, 8027505, 8562672, 10703340, 12844008, 14271120, 16055010, 21406680, 25688016, 32110020, 42813360, 64220040, 128440080]

約数ペア:

[(1, 128440080), (2, 64220040), (3, 42813360), (4, 32110020), (5, 25688016), (6, 21406680), (8, 16055010), (9, 14271120), (10, 12844008), (12, 10703340), (15, 8562672), (16, 8027505), (18, 7135560), (20, 6422004), (24, 5351670), (27, 4757040), (30, 4281336), (36, 3567780), (40, 3211002), (45, 2854224), (48, 2675835), (54, 2378520), (60, 2140668), (72, 1783890), (80, 1605501), (81, 1585680), (90, 1427112), (108, 1189260), (120, 1070334), (135, 951408), (144, 891945), (162, 792840), (180, 713556), (216, 594630), (240, 535167), (243, 528560), (270, 475704), (324, 396420), (360, 356778), (405, 317136), (432, 297315), (486, 264280), (540, 237852), (648, 198210), (720, 178389), (810, 158568), (972, 132140), (1080, 118926), (1215, 105712), (1296, 99105), (1620, 79284), (1944, 66070), (2160, 59463), (2430, 52856), (3240, 39642), (3888, 33035), (4860, 26428), (6480, 19821), (6607, 19440), (9720, 13214)]