77980160

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 189737856

約数和(自身を除く): 111757696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 367, 415, 512, 640, 664, 734, 830, 1280, 1328, 1468, 1660, 1835, 2560, 2656, 2936, 3320, 3670, 5312, 5872, 6640, 7340, 10624, 11744, 13280, 14680, 21248, 23488, 26560, 29360, 30461, 42496, 46976, 53120, 58720, 60922, 93952, 106240, 117440, 121844, 152305, 187904, 212480, 234880, 243688, 304610, 469760, 487376, 609220, 939520, 974752, 1218440, 1949504, 2436880, 3899008, 4873760, 7798016, 9747520, 15596032, 19495040, 38990080, 77980160]

約数ペア:

[(1, 77980160), (2, 38990080), (4, 19495040), (5, 15596032), (8, 9747520), (10, 7798016), (16, 4873760), (20, 3899008), (32, 2436880), (40, 1949504), (64, 1218440), (80, 974752), (83, 939520), (128, 609220), (160, 487376), (166, 469760), (256, 304610), (320, 243688), (332, 234880), (367, 212480), (415, 187904), (512, 152305), (640, 121844), (664, 117440), (734, 106240), (830, 93952), (1280, 60922), (1328, 58720), (1468, 53120), (1660, 46976), (1835, 42496), (2560, 30461), (2656, 29360), (2936, 26560), (3320, 23488), (3670, 21248), (5312, 14680), (5872, 13280), (6640, 11744), (7340, 10624)]