31227780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 91808640

約数和(自身を除く): 60580860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 131, 137, 145, 174, 262, 274, 290, 348, 393, 411, 435, 524, 548, 580, 655, 685, 786, 822, 870, 1310, 1370, 1572, 1644, 1740, 1965, 2055, 2620, 2740, 3799, 3930, 3973, 4110, 7598, 7860, 7946, 8220, 11397, 11919, 15196, 15892, 17947, 18995, 19865, 22794, 23838, 35894, 37990, 39730, 45588, 47676, 53841, 56985, 59595, 71788, 75980, 79460, 89735, 107682, 113970, 119190, 179470, 215364, 227940, 238380, 269205, 358940, 520463, 538410, 1040926, 1076820, 1561389, 2081852, 2602315, 3122778, 5204630, 6245556, 7806945, 10409260, 15613890, 31227780]

約数ペア:

[(1, 31227780), (2, 15613890), (3, 10409260), (4, 7806945), (5, 6245556), (6, 5204630), (10, 3122778), (12, 2602315), (15, 2081852), (20, 1561389), (29, 1076820), (30, 1040926), (58, 538410), (60, 520463), (87, 358940), (116, 269205), (131, 238380), (137, 227940), (145, 215364), (174, 179470), (262, 119190), (274, 113970), (290, 107682), (348, 89735), (393, 79460), (411, 75980), (435, 71788), (524, 59595), (548, 56985), (580, 53841), (655, 47676), (685, 45588), (786, 39730), (822, 37990), (870, 35894), (1310, 23838), (1370, 22794), (1572, 19865), (1644, 18995), (1740, 17947), (1965, 15892), (2055, 15196), (2620, 11919), (2740, 11397), (3799, 8220), (3930, 7946), (3973, 7860), (4110, 7598)]