130180780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 305141760

約数和(自身を除く): 174960980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 43, 62, 76, 86, 95, 124, 155, 172, 190, 215, 257, 310, 380, 430, 514, 589, 620, 817, 860, 1028, 1178, 1285, 1333, 1634, 2356, 2570, 2666, 2945, 3268, 4085, 4883, 5140, 5332, 5890, 6665, 7967, 8170, 9766, 11051, 11780, 13330, 15934, 16340, 19532, 22102, 24415, 25327, 26660, 31868, 39835, 44204, 48830, 50654, 55255, 79670, 97660, 101308, 110510, 126635, 151373, 159340, 209969, 221020, 253270, 302746, 342581, 419938, 506540, 605492, 685162, 756865, 839876, 1049845, 1370324, 1513730, 1712905, 2099690, 3027460, 3425810, 4199380, 6509039, 6851620, 13018078, 26036156, 32545195, 65090390, 130180780]

約数ペア:

[(1, 130180780), (2, 65090390), (4, 32545195), (5, 26036156), (10, 13018078), (19, 6851620), (20, 6509039), (31, 4199380), (38, 3425810), (43, 3027460), (62, 2099690), (76, 1712905), (86, 1513730), (95, 1370324), (124, 1049845), (155, 839876), (172, 756865), (190, 685162), (215, 605492), (257, 506540), (310, 419938), (380, 342581), (430, 302746), (514, 253270), (589, 221020), (620, 209969), (817, 159340), (860, 151373), (1028, 126635), (1178, 110510), (1285, 101308), (1333, 97660), (1634, 79670), (2356, 55255), (2570, 50654), (2666, 48830), (2945, 44204), (3268, 39835), (4085, 31868), (4883, 26660), (5140, 25327), (5332, 24415), (5890, 22102), (6665, 19532), (7967, 16340), (8170, 15934), (9766, 13330), (11051, 11780)]