75621520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 206236800

約数和(自身を除く): 130615280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 43, 52, 65, 76, 80, 86, 89, 95, 104, 130, 152, 172, 178, 190, 208, 215, 247, 260, 304, 344, 356, 380, 430, 445, 494, 520, 559, 688, 712, 760, 817, 860, 890, 988, 1040, 1118, 1157, 1235, 1424, 1520, 1634, 1691, 1720, 1780, 1976, 2236, 2314, 2470, 2795, 3268, 3382, 3440, 3560, 3827, 3952, 4085, 4472, 4628, 4940, 5590, 5785, 6536, 6764, 7120, 7654, 8170, 8455, 8944, 9256, 9880, 10621, 11180, 11570, 13072, 13528, 15308, 16340, 16910, 18512, 19135, 19760, 21242, 21983, 22360, 23140, 27056, 30616, 32680, 33820, 38270, 42484, 43966, 44720, 46280, 49751, 53105, 61232, 65360, 67640, 72713, 76540, 84968, 87932, 92560, 99502, 106210, 109915, 135280, 145426, 153080, 169936, 175864, 199004, 212420, 219830, 248755, 290852, 306160, 351728, 363565, 398008, 424840, 439660, 497510, 581704, 727130, 796016, 849680, 879320, 945269, 995020, 1163408, 1454260, 1758640, 1890538, 1990040, 2908520, 3781076, 3980080, 4726345, 5817040, 7562152, 9452690, 15124304, 18905380, 37810760, 75621520]

約数ペア:

[(1, 75621520), (2, 37810760), (4, 18905380), (5, 15124304), (8, 9452690), (10, 7562152), (13, 5817040), (16, 4726345), (19, 3980080), (20, 3781076), (26, 2908520), (38, 1990040), (40, 1890538), (43, 1758640), (52, 1454260), (65, 1163408), (76, 995020), (80, 945269), (86, 879320), (89, 849680), (95, 796016), (104, 727130), (130, 581704), (152, 497510), (172, 439660), (178, 424840), (190, 398008), (208, 363565), (215, 351728), (247, 306160), (260, 290852), (304, 248755), (344, 219830), (356, 212420), (380, 199004), (430, 175864), (445, 169936), (494, 153080), (520, 145426), (559, 135280), (688, 109915), (712, 106210), (760, 99502), (817, 92560), (860, 87932), (890, 84968), (988, 76540), (1040, 72713), (1118, 67640), (1157, 65360), (1235, 61232), (1424, 53105), (1520, 49751), (1634, 46280), (1691, 44720), (1720, 43966), (1780, 42484), (1976, 38270), (2236, 33820), (2314, 32680), (2470, 30616), (2795, 27056), (3268, 23140), (3382, 22360), (3440, 21983), (3560, 21242), (3827, 19760), (3952, 19135), (4085, 18512), (4472, 16910), (4628, 16340), (4940, 15308), (5590, 13528), (5785, 13072), (6536, 11570), (6764, 11180), (7120, 10621), (7654, 9880), (8170, 9256), (8455, 8944)]