1388773080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67679}}^1$

素因数の和:67718

約数の個数: 128

約数和(自身を含む): 4872960000

約数和(自身を除く): 3484186920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 67679, 135358, 203037, 270716, 338395, 406074, 541432, 609111, 676790, 812148, 1015185, 1218222, 1285901, 1353580, 1624296, 1827333, 2030370, 2436444, 2571802, 2707160, 3045555, 3654666, 3857703, 4060740, 4872888, 5143604, 6091110, 6429505, 7309332, 7715406, 8121480, 9136665, 10287208, 11573109, 12182220, 12859010, 14618664, 15430812, 18273330, 19288515, 23146218, 24364440, 25718020, 30861624, 34719327, 36546660, 38577030, 46292436, 51436040, 57865545, 69438654, 73093320, 77154060, 92584872, 115731090, 138877308, 154308120, 173596635, 231462180, 277754616, 347193270, 462924360, 694386540, 1388773080]

約数ペア:

[(1, 1388773080), (2, 694386540), (3, 462924360), (4, 347193270), (5, 277754616), (6, 231462180), (8, 173596635), (9, 154308120), (10, 138877308), (12, 115731090), (15, 92584872), (18, 77154060), (19, 73093320), (20, 69438654), (24, 57865545), (27, 51436040), (30, 46292436), (36, 38577030), (38, 36546660), (40, 34719327), (45, 30861624), (54, 25718020), (57, 24364440), (60, 23146218), (72, 19288515), (76, 18273330), (90, 15430812), (95, 14618664), (108, 12859010), (114, 12182220), (120, 11573109), (135, 10287208), (152, 9136665), (171, 8121480), (180, 7715406), (190, 7309332), (216, 6429505), (228, 6091110), (270, 5143604), (285, 4872888), (342, 4060740), (360, 3857703), (380, 3654666), (456, 3045555), (513, 2707160), (540, 2571802), (570, 2436444), (684, 2030370), (760, 1827333), (855, 1624296), (1026, 1353580), (1080, 1285901), (1140, 1218222), (1368, 1015185), (1710, 812148), (2052, 676790), (2280, 609111), (2565, 541432), (3420, 406074), (4104, 338395), (5130, 270716), (6840, 203037), (10260, 135358), (20520, 67679)]