123057920

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:905

約数の個数: 72

約数和(自身を含む): 297475584

約数和(自身を除く): 174417664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 757, 1016, 1270, 1280, 1514, 2032, 2540, 3028, 3785, 4064, 5080, 6056, 7570, 8128, 10160, 12112, 15140, 16256, 20320, 24224, 30280, 32512, 40640, 48448, 60560, 81280, 96139, 96896, 121120, 162560, 192278, 193792, 242240, 384556, 480695, 484480, 769112, 961390, 968960, 1538224, 1922780, 3076448, 3845560, 6152896, 7691120, 12305792, 15382240, 24611584, 30764480, 61528960, 123057920]

約数ペア:

[(1, 123057920), (2, 61528960), (4, 30764480), (5, 24611584), (8, 15382240), (10, 12305792), (16, 7691120), (20, 6152896), (32, 3845560), (40, 3076448), (64, 1922780), (80, 1538224), (127, 968960), (128, 961390), (160, 769112), (254, 484480), (256, 480695), (320, 384556), (508, 242240), (635, 193792), (640, 192278), (757, 162560), (1016, 121120), (1270, 96896), (1280, 96139), (1514, 81280), (2032, 60560), (2540, 48448), (3028, 40640), (3785, 32512), (4064, 30280), (5080, 24224), (6056, 20320), (7570, 16256), (8128, 15140), (10160, 12112)]