254914380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:988

約数の個数: 144

約数和(自身を含む): 887927040

約数和(自身を除く): 633012660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 307, 315, 420, 614, 630, 659, 921, 1228, 1260, 1318, 1535, 1842, 1977, 2149, 2636, 2763, 3070, 3295, 3684, 3954, 4298, 4605, 4613, 5526, 5931, 6140, 6447, 6590, 7908, 8596, 9210, 9226, 9885, 10745, 11052, 11862, 12894, 13180, 13815, 13839, 18420, 18452, 19341, 19770, 21490, 23065, 23724, 25788, 27630, 27678, 29655, 32235, 38682, 39540, 41517, 42980, 46130, 55260, 55356, 59310, 64470, 69195, 77364, 83034, 92260, 96705, 118620, 128940, 138390, 166068, 193410, 202313, 207585, 276780, 386820, 404626, 415170, 606939, 809252, 830340, 1011565, 1213878, 1416191, 1820817, 2023130, 2427756, 2832382, 3034695, 3641634, 4046260, 4248573, 5664764, 6069390, 7080955, 7283268, 8497146, 9104085, 12138780, 12745719, 14161910, 16994292, 18208170, 21242865, 25491438, 28323820, 36416340, 42485730, 50982876, 63728595, 84971460, 127457190, 254914380]

約数ペア:

[(1, 254914380), (2, 127457190), (3, 84971460), (4, 63728595), (5, 50982876), (6, 42485730), (7, 36416340), (9, 28323820), (10, 25491438), (12, 21242865), (14, 18208170), (15, 16994292), (18, 14161910), (20, 12745719), (21, 12138780), (28, 9104085), (30, 8497146), (35, 7283268), (36, 7080955), (42, 6069390), (45, 5664764), (60, 4248573), (63, 4046260), (70, 3641634), (84, 3034695), (90, 2832382), (105, 2427756), (126, 2023130), (140, 1820817), (180, 1416191), (210, 1213878), (252, 1011565), (307, 830340), (315, 809252), (420, 606939), (614, 415170), (630, 404626), (659, 386820), (921, 276780), (1228, 207585), (1260, 202313), (1318, 193410), (1535, 166068), (1842, 138390), (1977, 128940), (2149, 118620), (2636, 96705), (2763, 92260), (3070, 83034), (3295, 77364), (3684, 69195), (3954, 64470), (4298, 59310), (4605, 55356), (4613, 55260), (5526, 46130), (5931, 42980), (6140, 41517), (6447, 39540), (6590, 38682), (7908, 32235), (8596, 29655), (9210, 27678), (9226, 27630), (9885, 25788), (10745, 23724), (11052, 23065), (11862, 21490), (12894, 19770), (13180, 19341), (13815, 18452), (13839, 18420)]