131407280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4201}}^1$

素因数の和:4254

約数の個数: 80

約数和(自身を含む): 337639104

約数和(自身を除く): 206231824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 4201, 6256, 7820, 8402, 15640, 16804, 21005, 31280, 33608, 42010, 67216, 71417, 84020, 96623, 142834, 168040, 193246, 285668, 336080, 357085, 386492, 483115, 571336, 714170, 772984, 966230, 1142672, 1428340, 1545968, 1642591, 1932460, 2856680, 3285182, 3864920, 5713360, 6570364, 7729840, 8212955, 13140728, 16425910, 26281456, 32851820, 65703640, 131407280]

約数ペア:

[(1, 131407280), (2, 65703640), (4, 32851820), (5, 26281456), (8, 16425910), (10, 13140728), (16, 8212955), (17, 7729840), (20, 6570364), (23, 5713360), (34, 3864920), (40, 3285182), (46, 2856680), (68, 1932460), (80, 1642591), (85, 1545968), (92, 1428340), (115, 1142672), (136, 966230), (170, 772984), (184, 714170), (230, 571336), (272, 483115), (340, 386492), (368, 357085), (391, 336080), (460, 285668), (680, 193246), (782, 168040), (920, 142834), (1360, 96623), (1564, 84020), (1840, 71417), (1955, 67216), (3128, 42010), (3910, 33608), (4201, 31280), (6256, 21005), (7820, 16804), (8402, 15640)]