128388420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41957}}^1$

素因数の和:41989

約数の個数: 72

約数和(自身を含む): 412363224

約数和(自身を除く): 283974804

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, 41957, 83914, 125871, 167828, 209785, 251742, 377613, 419570, 503484, 629355, 713269, 755226, 839140, 1258710, 1426538, 1510452, 1888065, 2139807, 2517420, 2853076, 3566345, 3776130, 4279614, 6419421, 7132690, 7552260, 8559228, 10699035, 12838842, 14265380, 21398070, 25677684, 32097105, 42796140, 64194210, 128388420]

約数ペア:

[(1, 128388420), (2, 64194210), (3, 42796140), (4, 32097105), (5, 25677684), (6, 21398070), (9, 14265380), (10, 12838842), (12, 10699035), (15, 8559228), (17, 7552260), (18, 7132690), (20, 6419421), (30, 4279614), (34, 3776130), (36, 3566345), (45, 2853076), (51, 2517420), (60, 2139807), (68, 1888065), (85, 1510452), (90, 1426538), (102, 1258710), (153, 839140), (170, 755226), (180, 713269), (204, 629355), (255, 503484), (306, 419570), (340, 377613), (510, 251742), (612, 209785), (765, 167828), (1020, 125871), (1530, 83914), (3060, 41957)]