80069990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 204180480

約数和(自身を除く): 124110490

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 19, 22, 26, 35, 38, 55, 65, 70, 77, 91, 95, 110, 130, 133, 143, 154, 182, 190, 209, 247, 266, 286, 385, 418, 421, 455, 494, 665, 715, 770, 842, 910, 1001, 1045, 1235, 1330, 1430, 1463, 1729, 2002, 2090, 2105, 2470, 2717, 2926, 2947, 3458, 4210, 4631, 5005, 5434, 5473, 5894, 7315, 7999, 8645, 9262, 10010, 10946, 13585, 14630, 14735, 15998, 17290, 19019, 23155, 27170, 27365, 29470, 32417, 38038, 38311, 39995, 46310, 54730, 55993, 60203, 64834, 76622, 79990, 87989, 95095, 103987, 111986, 120406, 162085, 175978, 190190, 191555, 207974, 279965, 301015, 324170, 383110, 421421, 439945, 519935, 559930, 602030, 615923, 727909, 842842, 879890, 1039870, 1143857, 1231846, 1455818, 2107105, 2287714, 3079615, 3639545, 4214210, 5719285, 6159230, 7279090, 8006999, 11438570, 16013998, 40034995, 80069990]

約数ペア:

[(1, 80069990), (2, 40034995), (5, 16013998), (7, 11438570), (10, 8006999), (11, 7279090), (13, 6159230), (14, 5719285), (19, 4214210), (22, 3639545), (26, 3079615), (35, 2287714), (38, 2107105), (55, 1455818), (65, 1231846), (70, 1143857), (77, 1039870), (91, 879890), (95, 842842), (110, 727909), (130, 615923), (133, 602030), (143, 559930), (154, 519935), (182, 439945), (190, 421421), (209, 383110), (247, 324170), (266, 301015), (286, 279965), (385, 207974), (418, 191555), (421, 190190), (455, 175978), (494, 162085), (665, 120406), (715, 111986), (770, 103987), (842, 95095), (910, 87989), (1001, 79990), (1045, 76622), (1235, 64834), (1330, 60203), (1430, 55993), (1463, 54730), (1729, 46310), (2002, 39995), (2090, 38311), (2105, 38038), (2470, 32417), (2717, 29470), (2926, 27365), (2947, 27170), (3458, 23155), (4210, 19019), (4631, 17290), (5005, 15998), (5434, 14735), (5473, 14630), (5894, 13585), (7315, 10946), (7999, 10010), (8645, 9262)]