77722880

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 190840104

約数和(自身を除く): 113117224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1481, 1640, 2624, 2962, 3280, 5248, 5924, 6560, 7405, 10496, 11848, 13120, 14810, 23696, 26240, 29620, 47392, 52480, 59240, 60721, 94784, 118480, 121442, 189568, 236960, 242884, 303605, 379136, 473920, 485768, 607210, 947840, 971536, 1214420, 1895680, 1943072, 2428840, 3886144, 4857680, 7772288, 9715360, 15544576, 19430720, 38861440, 77722880]

約数ペア:

[(1, 77722880), (2, 38861440), (4, 19430720), (5, 15544576), (8, 9715360), (10, 7772288), (16, 4857680), (20, 3886144), (32, 2428840), (40, 1943072), (41, 1895680), (64, 1214420), (80, 971536), (82, 947840), (128, 607210), (160, 485768), (164, 473920), (205, 379136), (256, 303605), (320, 242884), (328, 236960), (410, 189568), (640, 121442), (656, 118480), (820, 94784), (1280, 60721), (1312, 59240), (1481, 52480), (1640, 47392), (2624, 29620), (2962, 26240), (3280, 23696), (5248, 14810), (5924, 13120), (6560, 11848), (7405, 10496)]