68879790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{15619}}^1$

素因数の和:15646

約数の個数: 72

約数和(自身を含む): 208339560

約数和(自身を除く): 139459770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 15619, 31238, 46857, 78095, 93714, 109333, 140571, 156190, 218666, 234285, 281142, 327999, 468570, 546665, 655998, 702855, 765331, 983997, 1093330, 1405710, 1530662, 1639995, 1967994, 2295993, 3279990, 3826655, 4591986, 4919985, 6887979, 7653310, 9839970, 11479965, 13775958, 22959930, 34439895, 68879790]

約数ペア:

[(1, 68879790), (2, 34439895), (3, 22959930), (5, 13775958), (6, 11479965), (7, 9839970), (9, 7653310), (10, 6887979), (14, 4919985), (15, 4591986), (18, 3826655), (21, 3279990), (30, 2295993), (35, 1967994), (42, 1639995), (45, 1530662), (49, 1405710), (63, 1093330), (70, 983997), (90, 765331), (98, 702855), (105, 655998), (126, 546665), (147, 468570), (210, 327999), (245, 281142), (294, 234285), (315, 218666), (441, 156190), (490, 140571), (630, 109333), (735, 93714), (882, 78095), (1470, 46857), (2205, 31238), (4410, 15619)]