145540780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 405409536

約数和(自身を除く): 259868756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 308, 322, 385, 460, 490, 506, 539, 587, 644, 770, 805, 980, 1012, 1078, 1127, 1174, 1265, 1540, 1610, 1771, 2156, 2254, 2348, 2530, 2695, 2935, 3220, 3542, 4109, 4508, 5060, 5390, 5635, 5870, 6457, 7084, 8218, 8855, 10780, 11270, 11740, 12397, 12914, 13501, 16436, 17710, 20545, 22540, 24794, 25828, 27002, 28763, 32285, 35420, 41090, 45199, 49588, 54004, 57526, 61985, 64570, 67505, 82180, 90398, 94507, 115052, 123970, 129140, 135010, 143815, 148511, 180796, 189014, 225995, 247940, 270020, 287630, 297022, 316393, 378028, 451990, 472535, 575260, 594044, 632786, 661549, 742555, 903980, 945070, 1039577, 1265572, 1323098, 1485110, 1581965, 1890140, 2079154, 2646196, 2970220, 3163930, 3307745, 4158308, 5197885, 6327860, 6615490, 7277039, 10395770, 13230980, 14554078, 20791540, 29108156, 36385195, 72770390, 145540780]

約数ペア:

[(1, 145540780), (2, 72770390), (4, 36385195), (5, 29108156), (7, 20791540), (10, 14554078), (11, 13230980), (14, 10395770), (20, 7277039), (22, 6615490), (23, 6327860), (28, 5197885), (35, 4158308), (44, 3307745), (46, 3163930), (49, 2970220), (55, 2646196), (70, 2079154), (77, 1890140), (92, 1581965), (98, 1485110), (110, 1323098), (115, 1265572), (140, 1039577), (154, 945070), (161, 903980), (196, 742555), (220, 661549), (230, 632786), (245, 594044), (253, 575260), (308, 472535), (322, 451990), (385, 378028), (460, 316393), (490, 297022), (506, 287630), (539, 270020), (587, 247940), (644, 225995), (770, 189014), (805, 180796), (980, 148511), (1012, 143815), (1078, 135010), (1127, 129140), (1174, 123970), (1265, 115052), (1540, 94507), (1610, 90398), (1771, 82180), (2156, 67505), (2254, 64570), (2348, 61985), (2530, 57526), (2695, 54004), (2935, 49588), (3220, 45199), (3542, 41090), (4109, 35420), (4508, 32285), (5060, 28763), (5390, 27002), (5635, 25828), (5870, 24794), (6457, 22540), (7084, 20545), (8218, 17710), (8855, 16436), (10780, 13501), (11270, 12914), (11740, 12397)]