621383640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1511}}^1$

素因数の和:1697

約数の個数: 128

約数和(自身を含む): 1959552000

約数和(自身を除く): 1338168360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 552, 596, 690, 745, 894, 920, 1192, 1380, 1490, 1511, 1788, 2235, 2760, 2980, 3022, 3427, 3576, 4470, 4533, 5960, 6044, 6854, 7555, 8940, 9066, 10281, 12088, 13708, 15110, 17135, 17880, 18132, 20562, 22665, 27416, 30220, 34270, 34753, 36264, 41124, 45330, 51405, 60440, 68540, 69506, 82248, 90660, 102810, 104259, 137080, 139012, 173765, 181320, 205620, 208518, 225139, 278024, 347530, 411240, 417036, 450278, 521295, 675417, 695060, 834072, 900556, 1042590, 1125695, 1350834, 1390120, 1801112, 2085180, 2251390, 2701668, 3377085, 4170360, 4502780, 5178197, 5403336, 6754170, 9005560, 10356394, 13508340, 15534591, 20712788, 25890985, 27016680, 31069182, 41425576, 51781970, 62138364, 77672955, 103563940, 124276728, 155345910, 207127880, 310691820, 621383640]

約数ペア:

[(1, 621383640), (2, 310691820), (3, 207127880), (4, 155345910), (5, 124276728), (6, 103563940), (8, 77672955), (10, 62138364), (12, 51781970), (15, 41425576), (20, 31069182), (23, 27016680), (24, 25890985), (30, 20712788), (40, 15534591), (46, 13508340), (60, 10356394), (69, 9005560), (92, 6754170), (115, 5403336), (120, 5178197), (138, 4502780), (149, 4170360), (184, 3377085), (230, 2701668), (276, 2251390), (298, 2085180), (345, 1801112), (447, 1390120), (460, 1350834), (552, 1125695), (596, 1042590), (690, 900556), (745, 834072), (894, 695060), (920, 675417), (1192, 521295), (1380, 450278), (1490, 417036), (1511, 411240), (1788, 347530), (2235, 278024), (2760, 225139), (2980, 208518), (3022, 205620), (3427, 181320), (3576, 173765), (4470, 139012), (4533, 137080), (5960, 104259), (6044, 102810), (6854, 90660), (7555, 82248), (8940, 69506), (9066, 68540), (10281, 60440), (12088, 51405), (13708, 45330), (15110, 41124), (17135, 36264), (17880, 34753), (18132, 34270), (20562, 30220), (22665, 27416)]