77127280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 111860624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 167, 184, 230, 251, 334, 368, 460, 502, 668, 835, 920, 1004, 1255, 1336, 1670, 1840, 2008, 2510, 2672, 3340, 3841, 4016, 5020, 5773, 6680, 7682, 10040, 11546, 13360, 15364, 19205, 20080, 23092, 28865, 30728, 38410, 41917, 46184, 57730, 61456, 76820, 83834, 92368, 115460, 153640, 167668, 209585, 230920, 307280, 335336, 419170, 461840, 670672, 838340, 964091, 1676680, 1928182, 3353360, 3856364, 4820455, 7712728, 9640910, 15425456, 19281820, 38563640, 77127280]

約数ペア:

[(1, 77127280), (2, 38563640), (4, 19281820), (5, 15425456), (8, 9640910), (10, 7712728), (16, 4820455), (20, 3856364), (23, 3353360), (40, 1928182), (46, 1676680), (80, 964091), (92, 838340), (115, 670672), (167, 461840), (184, 419170), (230, 335336), (251, 307280), (334, 230920), (368, 209585), (460, 167668), (502, 153640), (668, 115460), (835, 92368), (920, 83834), (1004, 76820), (1255, 61456), (1336, 57730), (1670, 46184), (1840, 41917), (2008, 38410), (2510, 30728), (2672, 28865), (3340, 23092), (3841, 20080), (4016, 19205), (5020, 15364), (5773, 13360), (6680, 11546), (7682, 10040)]