155039720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 388402560

約数和(自身を除く): 233362840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 121, 206, 220, 242, 311, 412, 440, 484, 515, 605, 622, 824, 968, 1030, 1133, 1210, 1244, 1555, 2060, 2266, 2420, 2488, 3110, 3421, 4120, 4532, 4840, 5665, 6220, 6842, 9064, 11330, 12440, 12463, 13684, 17105, 22660, 24926, 27368, 32033, 34210, 37631, 45320, 49852, 62315, 64066, 68420, 75262, 99704, 124630, 128132, 136840, 150524, 160165, 188155, 249260, 256264, 301048, 320330, 352363, 376310, 498520, 640660, 704726, 752620, 1281320, 1409452, 1505240, 1761815, 2818904, 3523630, 3875993, 7047260, 7751986, 14094520, 15503972, 19379965, 31007944, 38759930, 77519860, 155039720]

約数ペア:

[(1, 155039720), (2, 77519860), (4, 38759930), (5, 31007944), (8, 19379965), (10, 15503972), (11, 14094520), (20, 7751986), (22, 7047260), (40, 3875993), (44, 3523630), (55, 2818904), (88, 1761815), (103, 1505240), (110, 1409452), (121, 1281320), (206, 752620), (220, 704726), (242, 640660), (311, 498520), (412, 376310), (440, 352363), (484, 320330), (515, 301048), (605, 256264), (622, 249260), (824, 188155), (968, 160165), (1030, 150524), (1133, 136840), (1210, 128132), (1244, 124630), (1555, 99704), (2060, 75262), (2266, 68420), (2420, 64066), (2488, 62315), (3110, 49852), (3421, 45320), (4120, 37631), (4532, 34210), (4840, 32033), (5665, 27368), (6220, 24926), (6842, 22660), (9064, 17105), (11330, 13684), (12440, 12463)]