165905920

素因数分解:

$2^9\times 5^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:535

約数の個数: 80

約数和(自身を含む): 400934160

約数和(自身を除く): 235028240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 283, 320, 458, 512, 566, 640, 916, 1132, 1145, 1280, 1415, 1832, 2264, 2290, 2560, 2830, 3664, 4528, 4580, 5660, 7328, 9056, 9160, 11320, 14656, 18112, 18320, 22640, 29312, 36224, 36640, 45280, 58624, 64807, 72448, 73280, 90560, 117248, 129614, 144896, 146560, 181120, 259228, 293120, 324035, 362240, 518456, 586240, 648070, 724480, 1036912, 1296140, 2073824, 2592280, 4147648, 5184560, 8295296, 10369120, 16590592, 20738240, 33181184, 41476480, 82952960, 165905920]

約数ペア:

[(1, 165905920), (2, 82952960), (4, 41476480), (5, 33181184), (8, 20738240), (10, 16590592), (16, 10369120), (20, 8295296), (32, 5184560), (40, 4147648), (64, 2592280), (80, 2073824), (128, 1296140), (160, 1036912), (229, 724480), (256, 648070), (283, 586240), (320, 518456), (458, 362240), (512, 324035), (566, 293120), (640, 259228), (916, 181120), (1132, 146560), (1145, 144896), (1280, 129614), (1415, 117248), (1832, 90560), (2264, 73280), (2290, 72448), (2560, 64807), (2830, 58624), (3664, 45280), (4528, 36640), (4580, 36224), (5660, 29312), (7328, 22640), (9056, 18320), (9160, 18112), (11320, 14656)]