128008140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164113}}^1$

素因数の和:164138

約数の個数: 48

約数和(自身を含む): 385996128

約数和(自身を除く): 257987988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164113, 328226, 492339, 656452, 820565, 984678, 1641130, 1969356, 2133469, 2461695, 3282260, 4266938, 4923390, 6400407, 8533876, 9846780, 10667345, 12800814, 21334690, 25601628, 32002035, 42669380, 64004070, 128008140]

約数ペア:

[(1, 128008140), (2, 64004070), (3, 42669380), (4, 32002035), (5, 25601628), (6, 21334690), (10, 12800814), (12, 10667345), (13, 9846780), (15, 8533876), (20, 6400407), (26, 4923390), (30, 4266938), (39, 3282260), (52, 2461695), (60, 2133469), (65, 1969356), (78, 1641130), (130, 984678), (156, 820565), (195, 656452), (260, 492339), (390, 328226), (780, 164113)]