74718735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 160849920

約数和(自身を除く): 86131185

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 43, 57, 65, 67, 91, 95, 105, 129, 133, 195, 201, 215, 247, 273, 285, 301, 335, 399, 455, 469, 559, 645, 665, 741, 817, 871, 903, 1005, 1235, 1273, 1365, 1407, 1505, 1677, 1729, 1995, 2345, 2451, 2613, 2795, 2881, 3705, 3819, 3913, 4085, 4355, 4515, 5187, 5719, 6097, 6365, 7035, 8385, 8643, 8645, 8911, 10621, 11739, 12255, 13065, 14405, 16549, 17157, 18291, 19095, 19565, 20167, 25935, 26733, 28595, 30485, 31863, 37453, 43215, 44555, 49647, 53105, 54739, 58695, 60501, 74347, 82745, 85785, 91455, 100835, 112359, 115843, 133665, 159315, 164217, 187265, 223041, 248235, 262171, 273695, 302505, 347529, 371735, 383173, 561795, 579215, 711607, 786513, 821085, 1115205, 1149519, 1310855, 1737645, 1915865, 2134821, 3558035, 3932565, 4981249, 5747595, 10674105, 14943747, 24906245, 74718735]

約数ペア:

[(1, 74718735), (3, 24906245), (5, 14943747), (7, 10674105), (13, 5747595), (15, 4981249), (19, 3932565), (21, 3558035), (35, 2134821), (39, 1915865), (43, 1737645), (57, 1310855), (65, 1149519), (67, 1115205), (91, 821085), (95, 786513), (105, 711607), (129, 579215), (133, 561795), (195, 383173), (201, 371735), (215, 347529), (247, 302505), (273, 273695), (285, 262171), (301, 248235), (335, 223041), (399, 187265), (455, 164217), (469, 159315), (559, 133665), (645, 115843), (665, 112359), (741, 100835), (817, 91455), (871, 85785), (903, 82745), (1005, 74347), (1235, 60501), (1273, 58695), (1365, 54739), (1407, 53105), (1505, 49647), (1677, 44555), (1729, 43215), (1995, 37453), (2345, 31863), (2451, 30485), (2613, 28595), (2795, 26733), (2881, 25935), (3705, 20167), (3819, 19565), (3913, 19095), (4085, 18291), (4355, 17157), (4515, 16549), (5187, 14405), (5719, 13065), (6097, 12255), (6365, 11739), (7035, 10621), (8385, 8911), (8643, 8645)]