78485880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 128

約数和(自身を含む): 263969280

約数和(自身を除く): 185483400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1480, 1607, 1628, 2035, 2220, 2442, 3214, 3256, 4070, 4440, 4821, 4884, 6105, 6428, 8035, 8140, 9642, 9768, 12210, 12856, 16070, 16280, 17677, 19284, 24105, 24420, 32140, 35354, 38568, 48210, 48840, 53031, 59459, 64280, 70708, 88385, 96420, 106062, 118918, 141416, 176770, 178377, 192840, 212124, 237836, 265155, 297295, 353540, 356754, 424248, 475672, 530310, 594590, 654049, 707080, 713508, 891885, 1060620, 1189180, 1308098, 1427016, 1783770, 1962147, 2121240, 2378360, 2616196, 3270245, 3567540, 3924294, 5232392, 6540490, 7135080, 7848588, 9810735, 13080980, 15697176, 19621470, 26161960, 39242940, 78485880]

約数ペア:

[(1, 78485880), (2, 39242940), (3, 26161960), (4, 19621470), (5, 15697176), (6, 13080980), (8, 9810735), (10, 7848588), (11, 7135080), (12, 6540490), (15, 5232392), (20, 3924294), (22, 3567540), (24, 3270245), (30, 2616196), (33, 2378360), (37, 2121240), (40, 1962147), (44, 1783770), (55, 1427016), (60, 1308098), (66, 1189180), (74, 1060620), (88, 891885), (110, 713508), (111, 707080), (120, 654049), (132, 594590), (148, 530310), (165, 475672), (185, 424248), (220, 356754), (222, 353540), (264, 297295), (296, 265155), (330, 237836), (370, 212124), (407, 192840), (440, 178377), (444, 176770), (555, 141416), (660, 118918), (740, 106062), (814, 96420), (888, 88385), (1110, 70708), (1221, 64280), (1320, 59459), (1480, 53031), (1607, 48840), (1628, 48210), (2035, 38568), (2220, 35354), (2442, 32140), (3214, 24420), (3256, 24105), (4070, 19284), (4440, 17677), (4821, 16280), (4884, 16070), (6105, 12856), (6428, 12210), (8035, 9768), (8140, 9642)]