664290720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{51257}}^1$

素因数の和:51284

約数の個数: 120

約数和(自身を含む): 2344438404

約数和(自身を除く): 1680147684

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 51257, 102514, 153771, 205028, 256285, 307542, 410056, 461313, 512570, 615084, 768855, 820112, 922626, 1025140, 1230168, 1383939, 1537710, 1640224, 1845252, 2050280, 2306565, 2460336, 2767878, 3075420, 3690504, 4100560, 4151817, 4613130, 4920672, 5535756, 6150840, 6919695, 7381008, 8201120, 8303634, 9226260, 11071512, 12301680, 13839390, 14762016, 16607268, 18452520, 20759085, 22143024, 24603360, 27678780, 33214536, 36905040, 41518170, 44286048, 55357560, 66429072, 73810080, 83036340, 110715120, 132858144, 166072680, 221430240, 332145360, 664290720]

約数ペア:

[(1, 664290720), (2, 332145360), (3, 221430240), (4, 166072680), (5, 132858144), (6, 110715120), (8, 83036340), (9, 73810080), (10, 66429072), (12, 55357560), (15, 44286048), (16, 41518170), (18, 36905040), (20, 33214536), (24, 27678780), (27, 24603360), (30, 22143024), (32, 20759085), (36, 18452520), (40, 16607268), (45, 14762016), (48, 13839390), (54, 12301680), (60, 11071512), (72, 9226260), (80, 8303634), (81, 8201120), (90, 7381008), (96, 6919695), (108, 6150840), (120, 5535756), (135, 4920672), (144, 4613130), (160, 4151817), (162, 4100560), (180, 3690504), (216, 3075420), (240, 2767878), (270, 2460336), (288, 2306565), (324, 2050280), (360, 1845252), (405, 1640224), (432, 1537710), (480, 1383939), (540, 1230168), (648, 1025140), (720, 922626), (810, 820112), (864, 768855), (1080, 615084), (1296, 512570), (1440, 461313), (1620, 410056), (2160, 307542), (2592, 256285), (3240, 205028), (4320, 153771), (6480, 102514), (12960, 51257)]