297788220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2557}}^1$

素因数の和:3219

約数の個数: 72

約数和(自身を含む): 905040864

約数和(自身を除く): 607252644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1941, 2557, 2588, 3235, 3882, 5114, 5823, 6470, 7671, 7764, 9705, 10228, 11646, 12785, 12940, 15342, 19410, 23013, 23292, 25570, 29115, 30684, 38355, 38820, 46026, 51140, 58230, 76710, 92052, 115065, 116460, 153420, 230130, 460260, 1654379, 3308758, 4963137, 6617516, 8271895, 9926274, 14889411, 16543790, 19852548, 24815685, 29778822, 33087580, 49631370, 59557644, 74447055, 99262740, 148894110, 297788220]

約数ペア:

[(1, 297788220), (2, 148894110), (3, 99262740), (4, 74447055), (5, 59557644), (6, 49631370), (9, 33087580), (10, 29778822), (12, 24815685), (15, 19852548), (18, 16543790), (20, 14889411), (30, 9926274), (36, 8271895), (45, 6617516), (60, 4963137), (90, 3308758), (180, 1654379), (647, 460260), (1294, 230130), (1941, 153420), (2557, 116460), (2588, 115065), (3235, 92052), (3882, 76710), (5114, 58230), (5823, 51140), (6470, 46026), (7671, 38820), (7764, 38355), (9705, 30684), (10228, 29115), (11646, 25570), (12785, 23292), (12940, 23013), (15342, 19410)]