77507220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 259011648

約数和(自身を除く): 181504428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 643, 735, 820, 861, 980, 1148, 1230, 1286, 1435, 1470, 1722, 1929, 2009, 2460, 2572, 2870, 2940, 3215, 3444, 3858, 4018, 4305, 4501, 5740, 6027, 6430, 7716, 8036, 8610, 9002, 9645, 10045, 12054, 12860, 13503, 17220, 18004, 19290, 20090, 22505, 24108, 26363, 27006, 30135, 31507, 38580, 40180, 45010, 52726, 54012, 60270, 63014, 67515, 79089, 90020, 94521, 105452, 120540, 126028, 131815, 135030, 157535, 158178, 184541, 189042, 263630, 270060, 315070, 316356, 369082, 378084, 395445, 472605, 527260, 553623, 630140, 738164, 790890, 922705, 945210, 1107246, 1291787, 1581780, 1845410, 1890420, 2214492, 2583574, 2768115, 3690820, 3875361, 5167148, 5536230, 6458935, 7750722, 11072460, 12917870, 15501444, 19376805, 25835740, 38753610, 77507220]

約数ペア:

[(1, 77507220), (2, 38753610), (3, 25835740), (4, 19376805), (5, 15501444), (6, 12917870), (7, 11072460), (10, 7750722), (12, 6458935), (14, 5536230), (15, 5167148), (20, 3875361), (21, 3690820), (28, 2768115), (30, 2583574), (35, 2214492), (41, 1890420), (42, 1845410), (49, 1581780), (60, 1291787), (70, 1107246), (82, 945210), (84, 922705), (98, 790890), (105, 738164), (123, 630140), (140, 553623), (147, 527260), (164, 472605), (196, 395445), (205, 378084), (210, 369082), (245, 316356), (246, 315070), (287, 270060), (294, 263630), (410, 189042), (420, 184541), (490, 158178), (492, 157535), (574, 135030), (588, 131815), (615, 126028), (643, 120540), (735, 105452), (820, 94521), (861, 90020), (980, 79089), (1148, 67515), (1230, 63014), (1286, 60270), (1435, 54012), (1470, 52726), (1722, 45010), (1929, 40180), (2009, 38580), (2460, 31507), (2572, 30135), (2870, 27006), (2940, 26363), (3215, 24108), (3444, 22505), (3858, 20090), (4018, 19290), (4305, 18004), (4501, 17220), (5740, 13503), (6027, 12860), (6430, 12054), (7716, 10045), (8036, 9645), (8610, 9002)]