8072976520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{2609}}^1$

素因数の和:2927

約数の個数: 128

約数和(自身を含む): 21332678400

約数和(自身を除く): 13259701880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 257, 280, 301, 344, 430, 514, 602, 860, 1028, 1204, 1285, 1505, 1720, 1799, 2056, 2408, 2570, 2609, 3010, 3598, 5140, 5218, 6020, 7196, 8995, 10280, 10436, 11051, 12040, 13045, 14392, 17990, 18263, 20872, 22102, 26090, 35980, 36526, 44204, 52180, 55255, 71960, 73052, 77357, 88408, 91315, 104360, 110510, 112187, 146104, 154714, 182630, 221020, 224374, 309428, 365260, 386785, 442040, 448748, 560935, 618856, 670513, 730520, 773570, 785309, 897496, 1121870, 1341026, 1547140, 1570618, 2243740, 2682052, 3094280, 3141236, 3352565, 3926545, 4487480, 4693591, 5364104, 6282472, 6705130, 7853090, 9387182, 13410260, 15706180, 18774364, 23467955, 26820520, 28832059, 31412360, 37548728, 46935910, 57664118, 93871820, 115328236, 144160295, 187743640, 201824413, 230656472, 288320590, 403648826, 576641180, 807297652, 1009122065, 1153282360, 1614595304, 2018244130, 4036488260, 8072976520]

約数ペア:

[(1, 8072976520), (2, 4036488260), (4, 2018244130), (5, 1614595304), (7, 1153282360), (8, 1009122065), (10, 807297652), (14, 576641180), (20, 403648826), (28, 288320590), (35, 230656472), (40, 201824413), (43, 187743640), (56, 144160295), (70, 115328236), (86, 93871820), (140, 57664118), (172, 46935910), (215, 37548728), (257, 31412360), (280, 28832059), (301, 26820520), (344, 23467955), (430, 18774364), (514, 15706180), (602, 13410260), (860, 9387182), (1028, 7853090), (1204, 6705130), (1285, 6282472), (1505, 5364104), (1720, 4693591), (1799, 4487480), (2056, 3926545), (2408, 3352565), (2570, 3141236), (2609, 3094280), (3010, 2682052), (3598, 2243740), (5140, 1570618), (5218, 1547140), (6020, 1341026), (7196, 1121870), (8995, 897496), (10280, 785309), (10436, 773570), (11051, 730520), (12040, 670513), (13045, 618856), (14392, 560935), (17990, 448748), (18263, 442040), (20872, 386785), (22102, 365260), (26090, 309428), (35980, 224374), (36526, 221020), (44204, 182630), (52180, 154714), (55255, 146104), (71960, 112187), (73052, 110510), (77357, 104360), (88408, 91315)]