660736512

素因数分解:

$2^9\times 3^2\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 120

約数和(自身を含む): 1918460544

約数和(自身を除く): 1257724032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 223, 256, 288, 384, 446, 512, 576, 643, 669, 768, 892, 1152, 1286, 1338, 1536, 1784, 1929, 2007, 2304, 2572, 2676, 3568, 3858, 4014, 4608, 5144, 5352, 5787, 7136, 7716, 8028, 10288, 10704, 11574, 14272, 15432, 16056, 20576, 21408, 23148, 28544, 30864, 32112, 41152, 42816, 46296, 57088, 61728, 64224, 82304, 85632, 92592, 114176, 123456, 128448, 143389, 164608, 171264, 185184, 246912, 256896, 286778, 329216, 342528, 370368, 430167, 493824, 513792, 573556, 740736, 860334, 987648, 1027584, 1147112, 1290501, 1481472, 1720668, 2294224, 2581002, 2962944, 3441336, 4588448, 5162004, 6882672, 9176896, 10324008, 13765344, 18353792, 20648016, 27530688, 36707584, 41296032, 55061376, 73415168, 82592064, 110122752, 165184128, 220245504, 330368256, 660736512]

約数ペア:

[(1, 660736512), (2, 330368256), (3, 220245504), (4, 165184128), (6, 110122752), (8, 82592064), (9, 73415168), (12, 55061376), (16, 41296032), (18, 36707584), (24, 27530688), (32, 20648016), (36, 18353792), (48, 13765344), (64, 10324008), (72, 9176896), (96, 6882672), (128, 5162004), (144, 4588448), (192, 3441336), (223, 2962944), (256, 2581002), (288, 2294224), (384, 1720668), (446, 1481472), (512, 1290501), (576, 1147112), (643, 1027584), (669, 987648), (768, 860334), (892, 740736), (1152, 573556), (1286, 513792), (1338, 493824), (1536, 430167), (1784, 370368), (1929, 342528), (2007, 329216), (2304, 286778), (2572, 256896), (2676, 246912), (3568, 185184), (3858, 171264), (4014, 164608), (4608, 143389), (5144, 128448), (5352, 123456), (5787, 114176), (7136, 92592), (7716, 85632), (8028, 82304), (10288, 64224), (10704, 61728), (11574, 57088), (14272, 46296), (15432, 42816), (16056, 41152), (20576, 32112), (21408, 30864), (23148, 28544)]