641186880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{667903}}^1$

素因数の和:667923

約数の個数: 56

約数和(自身を含む): 2035771392

約数和(自身を除く): 1394584512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 667903, 1335806, 2003709, 2671612, 3339515, 4007418, 5343224, 6679030, 8014836, 10018545, 10686448, 13358060, 16029672, 20037090, 21372896, 26716120, 32059344, 40074180, 42745792, 53432240, 64118688, 80148360, 106864480, 128237376, 160296720, 213728960, 320593440, 641186880]

約数ペア:

[(1, 641186880), (2, 320593440), (3, 213728960), (4, 160296720), (5, 128237376), (6, 106864480), (8, 80148360), (10, 64118688), (12, 53432240), (15, 42745792), (16, 40074180), (20, 32059344), (24, 26716120), (30, 21372896), (32, 20037090), (40, 16029672), (48, 13358060), (60, 10686448), (64, 10018545), (80, 8014836), (96, 6679030), (120, 5343224), (160, 4007418), (192, 3339515), (240, 2671612), (320, 2003709), (480, 1335806), (960, 667903)]