205904340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67289}}^1$

素因数の和:67321

約数の個数: 72

約数和(自身を含む): 661326120

約数和(自身を除く): 455421780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 67289, 134578, 201867, 269156, 336445, 403734, 605601, 672890, 807468, 1009335, 1143913, 1211202, 1345780, 2018670, 2287826, 2422404, 3028005, 3431739, 4037340, 4575652, 5719565, 6056010, 6863478, 10295217, 11439130, 12112020, 13726956, 17158695, 20590434, 22878260, 34317390, 41180868, 51476085, 68634780, 102952170, 205904340]

約数ペア:

[(1, 205904340), (2, 102952170), (3, 68634780), (4, 51476085), (5, 41180868), (6, 34317390), (9, 22878260), (10, 20590434), (12, 17158695), (15, 13726956), (17, 12112020), (18, 11439130), (20, 10295217), (30, 6863478), (34, 6056010), (36, 5719565), (45, 4575652), (51, 4037340), (60, 3431739), (68, 3028005), (85, 2422404), (90, 2287826), (102, 2018670), (153, 1345780), (170, 1211202), (180, 1143913), (204, 1009335), (255, 807468), (306, 672890), (340, 605601), (510, 403734), (612, 336445), (765, 269156), (1020, 201867), (1530, 134578), (3060, 67289)]