66990240

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1723}}^1$

素因数の和:1753

約数の個数: 144

約数和(自身を含む): 237208608

約数和(自身を除く): 170218368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1723, 1944, 2160, 2430, 2592, 3240, 3446, 3888, 4320, 4860, 5169, 6480, 6892, 7776, 8615, 9720, 10338, 12960, 13784, 15507, 17230, 19440, 20676, 25845, 27568, 31014, 34460, 38880, 41352, 46521, 51690, 55136, 62028, 68920, 77535, 82704, 93042, 103380, 124056, 137840, 139563, 155070, 165408, 186084, 206760, 232605, 248112, 275680, 279126, 310140, 372168, 413520, 418689, 465210, 496224, 558252, 620280, 697815, 744336, 827040, 837378, 930420, 1116504, 1240560, 1395630, 1488672, 1674756, 1860840, 2093445, 2233008, 2481120, 2791260, 3349512, 3721680, 4186890, 4466016, 5582520, 6699024, 7443360, 8373780, 11165040, 13398048, 16747560, 22330080, 33495120, 66990240]

約数ペア:

[(1, 66990240), (2, 33495120), (3, 22330080), (4, 16747560), (5, 13398048), (6, 11165040), (8, 8373780), (9, 7443360), (10, 6699024), (12, 5582520), (15, 4466016), (16, 4186890), (18, 3721680), (20, 3349512), (24, 2791260), (27, 2481120), (30, 2233008), (32, 2093445), (36, 1860840), (40, 1674756), (45, 1488672), (48, 1395630), (54, 1240560), (60, 1116504), (72, 930420), (80, 837378), (81, 827040), (90, 744336), (96, 697815), (108, 620280), (120, 558252), (135, 496224), (144, 465210), (160, 418689), (162, 413520), (180, 372168), (216, 310140), (240, 279126), (243, 275680), (270, 248112), (288, 232605), (324, 206760), (360, 186084), (405, 165408), (432, 155070), (480, 139563), (486, 137840), (540, 124056), (648, 103380), (720, 93042), (810, 82704), (864, 77535), (972, 68920), (1080, 62028), (1215, 55136), (1296, 51690), (1440, 46521), (1620, 41352), (1723, 38880), (1944, 34460), (2160, 31014), (2430, 27568), (2592, 25845), (3240, 20676), (3446, 19440), (3888, 17230), (4320, 15507), (4860, 13784), (5169, 12960), (6480, 10338), (6892, 9720), (7776, 8615)]