398732880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18257}}^1$

素因数の和:18293

約数の個数: 160

約数和(自身を含む): 1521402624

約数和(自身を除く): 1122669744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 18257, 21840, 36514, 54771, 73028, 91285, 109542, 127799, 146056, 182570, 219084, 237341, 255598, 273855, 292112, 365140, 383397, 438168, 474682, 511196, 547710, 638995, 712023, 730280, 766794, 876336, 949364, 1022392, 1095420, 1186705, 1277990, 1424046, 1460560, 1533588, 1661387, 1898728, 1916985, 2044784, 2190840, 2373410, 2555980, 2848092, 3067176, 3322774, 3560115, 3797456, 3833970, 4381680, 4746820, 4984161, 5111960, 5696184, 6134352, 6645548, 7120230, 7667940, 8306935, 9493640, 9968322, 10223920, 11392368, 13291096, 14240460, 15335880, 16613870, 18987280, 19936644, 24920805, 26582192, 28480920, 30671760, 33227740, 39873288, 49841610, 56961840, 66455480, 79746576, 99683220, 132910960, 199366440, 398732880]

約数ペア:

[(1, 398732880), (2, 199366440), (3, 132910960), (4, 99683220), (5, 79746576), (6, 66455480), (7, 56961840), (8, 49841610), (10, 39873288), (12, 33227740), (13, 30671760), (14, 28480920), (15, 26582192), (16, 24920805), (20, 19936644), (21, 18987280), (24, 16613870), (26, 15335880), (28, 14240460), (30, 13291096), (35, 11392368), (39, 10223920), (40, 9968322), (42, 9493640), (48, 8306935), (52, 7667940), (56, 7120230), (60, 6645548), (65, 6134352), (70, 5696184), (78, 5111960), (80, 4984161), (84, 4746820), (91, 4381680), (104, 3833970), (105, 3797456), (112, 3560115), (120, 3322774), (130, 3067176), (140, 2848092), (156, 2555980), (168, 2373410), (182, 2190840), (195, 2044784), (208, 1916985), (210, 1898728), (240, 1661387), (260, 1533588), (273, 1460560), (280, 1424046), (312, 1277990), (336, 1186705), (364, 1095420), (390, 1022392), (420, 949364), (455, 876336), (520, 766794), (546, 730280), (560, 712023), (624, 638995), (728, 547710), (780, 511196), (840, 474682), (910, 438168), (1040, 383397), (1092, 365140), (1365, 292112), (1456, 273855), (1560, 255598), (1680, 237341), (1820, 219084), (2184, 182570), (2730, 146056), (3120, 127799), (3640, 109542), (4368, 91285), (5460, 73028), (7280, 54771), (10920, 36514), (18257, 21840)]