72120440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{839}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 186278400

約数和(自身を除く): 114157960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 839, 1228, 1535, 1678, 2149, 2456, 3070, 3356, 4195, 4298, 5873, 6140, 6712, 8390, 8596, 10745, 11746, 12280, 16780, 17192, 21490, 23492, 29365, 33560, 42980, 46984, 58730, 85960, 117460, 234920, 257573, 515146, 1030292, 1287865, 1803011, 2060584, 2575730, 3606022, 5151460, 7212044, 9015055, 10302920, 14424088, 18030110, 36060220, 72120440]

約数ペア:

[(1, 72120440), (2, 36060220), (4, 18030110), (5, 14424088), (7, 10302920), (8, 9015055), (10, 7212044), (14, 5151460), (20, 3606022), (28, 2575730), (35, 2060584), (40, 1803011), (56, 1287865), (70, 1030292), (140, 515146), (280, 257573), (307, 234920), (614, 117460), (839, 85960), (1228, 58730), (1535, 46984), (1678, 42980), (2149, 33560), (2456, 29365), (3070, 23492), (3356, 21490), (4195, 17192), (4298, 16780), (5873, 12280), (6140, 11746), (6712, 10745), (8390, 8596)]