67708875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 128

約数和(自身を含む): 138378240

約数和(自身を除く): 70669365

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 43, 51, 57, 65, 75, 85, 95, 125, 129, 195, 215, 221, 247, 255, 285, 323, 325, 375, 425, 475, 559, 645, 663, 731, 741, 817, 969, 975, 1075, 1105, 1235, 1275, 1425, 1615, 1625, 1677, 2125, 2193, 2375, 2451, 2795, 3225, 3315, 3655, 3705, 4085, 4199, 4845, 4875, 5375, 5525, 6175, 6375, 7125, 8075, 8385, 9503, 10621, 10965, 12255, 12597, 13889, 13975, 16125, 16575, 18275, 18525, 20425, 20995, 24225, 27625, 28509, 30875, 31863, 40375, 41667, 41925, 47515, 53105, 54825, 61275, 62985, 69445, 69875, 82875, 91375, 92625, 102125, 104975, 121125, 142545, 159315, 180557, 208335, 209625, 237575, 265525, 274125, 306375, 314925, 347225, 524875, 541671, 712725, 796575, 902785, 1041675, 1187875, 1327625, 1574625, 1736125, 2708355, 3563625, 3982875, 4513925, 5208375, 13541775, 22569625, 67708875]

約数ペア:

[(1, 67708875), (3, 22569625), (5, 13541775), (13, 5208375), (15, 4513925), (17, 3982875), (19, 3563625), (25, 2708355), (39, 1736125), (43, 1574625), (51, 1327625), (57, 1187875), (65, 1041675), (75, 902785), (85, 796575), (95, 712725), (125, 541671), (129, 524875), (195, 347225), (215, 314925), (221, 306375), (247, 274125), (255, 265525), (285, 237575), (323, 209625), (325, 208335), (375, 180557), (425, 159315), (475, 142545), (559, 121125), (645, 104975), (663, 102125), (731, 92625), (741, 91375), (817, 82875), (969, 69875), (975, 69445), (1075, 62985), (1105, 61275), (1235, 54825), (1275, 53105), (1425, 47515), (1615, 41925), (1625, 41667), (1677, 40375), (2125, 31863), (2193, 30875), (2375, 28509), (2451, 27625), (2795, 24225), (3225, 20995), (3315, 20425), (3655, 18525), (3705, 18275), (4085, 16575), (4199, 16125), (4845, 13975), (4875, 13889), (5375, 12597), (5525, 12255), (6175, 10965), (6375, 10621), (7125, 9503), (8075, 8385)]