306220160

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 777288960

約数和(自身を除く): 471068800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 128, 142, 160, 184, 230, 284, 293, 320, 355, 368, 460, 568, 586, 640, 710, 736, 920, 1136, 1172, 1420, 1465, 1472, 1633, 1840, 2272, 2344, 2840, 2930, 2944, 3266, 3680, 4544, 4688, 5680, 5860, 6532, 6739, 7360, 8165, 9088, 9376, 11360, 11720, 13064, 13478, 14720, 16330, 18752, 20803, 22720, 23440, 26128, 26956, 32660, 33695, 37504, 41606, 45440, 46880, 52256, 53912, 65320, 67390, 83212, 93760, 104015, 104512, 107824, 130640, 134780, 166424, 187520, 208030, 209024, 215648, 261280, 269560, 332848, 416060, 431296, 478469, 522560, 539120, 665696, 832120, 862592, 956938, 1045120, 1078240, 1331392, 1664240, 1913876, 2156480, 2392345, 2662784, 3328480, 3827752, 4312960, 4784690, 6656960, 7655504, 9569380, 13313920, 15311008, 19138760, 30622016, 38277520, 61244032, 76555040, 153110080, 306220160]

約数ペア:

[(1, 306220160), (2, 153110080), (4, 76555040), (5, 61244032), (8, 38277520), (10, 30622016), (16, 19138760), (20, 15311008), (23, 13313920), (32, 9569380), (40, 7655504), (46, 6656960), (64, 4784690), (71, 4312960), (80, 3827752), (92, 3328480), (115, 2662784), (128, 2392345), (142, 2156480), (160, 1913876), (184, 1664240), (230, 1331392), (284, 1078240), (293, 1045120), (320, 956938), (355, 862592), (368, 832120), (460, 665696), (568, 539120), (586, 522560), (640, 478469), (710, 431296), (736, 416060), (920, 332848), (1136, 269560), (1172, 261280), (1420, 215648), (1465, 209024), (1472, 208030), (1633, 187520), (1840, 166424), (2272, 134780), (2344, 130640), (2840, 107824), (2930, 104512), (2944, 104015), (3266, 93760), (3680, 83212), (4544, 67390), (4688, 65320), (5680, 53912), (5860, 52256), (6532, 46880), (6739, 45440), (7360, 41606), (8165, 37504), (9088, 33695), (9376, 32660), (11360, 26956), (11720, 26128), (13064, 23440), (13478, 22720), (14720, 20803), (16330, 18752)]