260339940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{9839}}^1$

素因数の和:9871

約数の個数: 144

約数和(自身を含む): 942278400

約数和(自身を除く): 681938460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 5292, 6615, 8820, 9839, 13230, 19678, 26460, 29517, 39356, 49195, 59034, 68873, 88551, 98390, 118068, 137746, 147585, 177102, 196780, 206619, 265653, 275492, 295170, 344365, 354204, 413238, 442755, 482111, 531306, 590340, 619857, 688730, 826476, 885510, 964222, 1033095, 1062612, 1239714, 1328265, 1377460, 1446333, 1771020, 1859571, 1928444, 2066190, 2410555, 2479428, 2656530, 2892666, 3099285, 3719142, 4132380, 4338999, 4821110, 5313060, 5785332, 6198570, 7231665, 7438284, 8677998, 9297855, 9642220, 12397140, 13016997, 14463330, 17355996, 18595710, 21694995, 26033994, 28926660, 37191420, 43389990, 52067988, 65084985, 86779980, 130169970, 260339940]

約数ペア:

[(1, 260339940), (2, 130169970), (3, 86779980), (4, 65084985), (5, 52067988), (6, 43389990), (7, 37191420), (9, 28926660), (10, 26033994), (12, 21694995), (14, 18595710), (15, 17355996), (18, 14463330), (20, 13016997), (21, 12397140), (27, 9642220), (28, 9297855), (30, 8677998), (35, 7438284), (36, 7231665), (42, 6198570), (45, 5785332), (49, 5313060), (54, 4821110), (60, 4338999), (63, 4132380), (70, 3719142), (84, 3099285), (90, 2892666), (98, 2656530), (105, 2479428), (108, 2410555), (126, 2066190), (135, 1928444), (140, 1859571), (147, 1771020), (180, 1446333), (189, 1377460), (196, 1328265), (210, 1239714), (245, 1062612), (252, 1033095), (270, 964222), (294, 885510), (315, 826476), (378, 688730), (420, 619857), (441, 590340), (490, 531306), (540, 482111), (588, 442755), (630, 413238), (735, 354204), (756, 344365), (882, 295170), (945, 275492), (980, 265653), (1260, 206619), (1323, 196780), (1470, 177102), (1764, 147585), (1890, 137746), (2205, 118068), (2646, 98390), (2940, 88551), (3780, 68873), (4410, 59034), (5292, 49195), (6615, 39356), (8820, 29517), (9839, 26460), (13230, 19678)]