76747140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{659}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 233513280

約数和(自身を除く): 156766140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 659, 1294, 1318, 1941, 1977, 2588, 2636, 3235, 3295, 3882, 3954, 5823, 5931, 6470, 6590, 7764, 7908, 9705, 9885, 11646, 11862, 12940, 13180, 19410, 19770, 23292, 23724, 29115, 29655, 38820, 39540, 58230, 59310, 116460, 118620, 426373, 852746, 1279119, 1705492, 2131865, 2558238, 3837357, 4263730, 5116476, 6395595, 7674714, 8527460, 12791190, 15349428, 19186785, 25582380, 38373570, 76747140]

約数ペア:

[(1, 76747140), (2, 38373570), (3, 25582380), (4, 19186785), (5, 15349428), (6, 12791190), (9, 8527460), (10, 7674714), (12, 6395595), (15, 5116476), (18, 4263730), (20, 3837357), (30, 2558238), (36, 2131865), (45, 1705492), (60, 1279119), (90, 852746), (180, 426373), (647, 118620), (659, 116460), (1294, 59310), (1318, 58230), (1941, 39540), (1977, 38820), (2588, 29655), (2636, 29115), (3235, 23724), (3295, 23292), (3882, 19770), (3954, 19410), (5823, 13180), (5931, 12940), (6470, 11862), (6590, 11646), (7764, 9885), (7908, 9705)]